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Finding the Fourth Proportional to 552,127.70, 828,191.55 and 197,311.70

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Solution

The fourth proportional to 552,127.70, 828,191.55 and 197,311.70 is: 295,967.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,127.70 : 828,191.55 = 197,311.70 : x
  2. Step 2: Convert to fraction form
    552,127.70/828,191.55 = 197,311.70/x
  3. Step 3: Cross multiply
    552,127.70x = 828,191.55 × 197,311.70
  4. Step 4: Simplify right side
    552,127.70x = 163,411,882,656.14
  5. Step 5: Solve for x
    x = 163,411,882,656.14/552,127.70
  6. Step 6: Final answer
    x = 295,967.55

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.