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Finding the Fourth Proportional to 537,809.56, 742,149 and 296,044.90

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Solution

The fourth proportional to 537,809.56, 742,149 and 296,044.90 is: 408,526.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,809.56 : 742,149 = 296,044.90 : x
  2. Step 2: Convert to fraction form
    537,809.56/742,149 = 296,044.90/x
  3. Step 3: Cross multiply
    537,809.56x = 742,149 × 296,044.90
  4. Step 4: Simplify right side
    537,809.56x = 219,709,426,490.10
  5. Step 5: Solve for x
    x = 219,709,426,490.10/537,809.56
  6. Step 6: Final answer
    x = 408,526.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.