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Finding the Fourth Proportional to 341,303.20, 512,246.40 and 152,054.80

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Solution

The fourth proportional to 341,303.20, 512,246.40 and 152,054.80 is: 228,212.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,303.20 : 512,246.40 = 152,054.80 : x
  2. Step 2: Convert to fraction form
    341,303.20/512,246.40 = 152,054.80/x
  3. Step 3: Cross multiply
    341,303.20x = 512,246.40 × 152,054.80
  4. Step 4: Simplify right side
    341,303.20x = 77,889,523,902.72
  5. Step 5: Solve for x
    x = 77,889,523,902.72/341,303.20
  6. Step 6: Final answer
    x = 228,212.11

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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.