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Finding the Fourth Proportional to 672,371.94, 928,781.96 and 537,352.23

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Solution

The fourth proportional to 672,371.94, 928,781.96 and 537,352.23 is: 742,272.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,371.94 : 928,781.96 = 537,352.23 : x
  2. Step 2: Convert to fraction form
    672,371.94/928,781.96 = 537,352.23/x
  3. Step 3: Cross multiply
    672,371.94x = 928,781.96 × 537,352.23
  4. Step 4: Simplify right side
    672,371.94x = 499,083,057,389.77
  5. Step 5: Solve for x
    x = 499,083,057,389.77/672,371.94
  6. Step 6: Final answer
    x = 742,272.29

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Double scale
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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.