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Finding the Fourth Proportional to 537,801.78, 742,138.29 and 296,037.13

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Solution

The fourth proportional to 537,801.78, 742,138.29 and 296,037.13 is: 408,515.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,801.78 : 742,138.29 = 296,037.13 : x
  2. Step 2: Convert to fraction form
    537,801.78/742,138.29 = 296,037.13/x
  3. Step 3: Cross multiply
    537,801.78x = 742,138.29 × 296,037.13
  4. Step 4: Simplify right side
    537,801.78x = 219,700,489,434.71
  5. Step 5: Solve for x
    x = 219,700,489,434.71/537,801.78
  6. Step 6: Final answer
    x = 408,515.73

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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.