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Finding the Fourth Proportional to 552,404.70, 828,607.05 and 286,246.80

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Solution

The fourth proportional to 552,404.70, 828,607.05 and 286,246.80 is: 429,370.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,404.70 : 828,607.05 = 286,246.80 : x
  2. Step 2: Convert to fraction form
    552,404.70/828,607.05 = 286,246.80/x
  3. Step 3: Cross multiply
    552,404.70x = 828,607.05 × 286,246.80
  4. Step 4: Simplify right side
    552,404.70x = 237,186,116,519.94
  5. Step 5: Solve for x
    x = 237,186,116,519.94/552,404.70
  6. Step 6: Final answer
    x = 429,370.20

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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.