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Finding the Fourth Proportional to 365,000.71, 547,501.06 and 137,339.13

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Solution

The fourth proportional to 365,000.71, 547,501.06 and 137,339.13 is: 206,008.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,000.71 : 547,501.06 = 137,339.13 : x
  2. Step 2: Convert to fraction form
    365,000.71/547,501.06 = 137,339.13/x
  3. Step 3: Cross multiply
    365,000.71x = 547,501.06 × 137,339.13
  4. Step 4: Simplify right side
    365,000.71x = 75,193,319,254.48
  5. Step 5: Solve for x
    x = 75,193,319,254.48/365,000.71
  6. Step 6: Final answer
    x = 206,008.69

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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.