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Finding the Fourth Proportional to 539,508.47, 744,518.09 and 294,492.29

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Solution

The fourth proportional to 539,508.47, 744,518.09 and 294,492.29 is: 406,397.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,508.47 : 744,518.09 = 294,492.29 : x
  2. Step 2: Convert to fraction form
    539,508.47/744,518.09 = 294,492.29/x
  3. Step 3: Cross multiply
    539,508.47x = 744,518.09 × 294,492.29
  4. Step 4: Simplify right side
    539,508.47x = 219,254,834,284.17
  5. Step 5: Solve for x
    x = 219,254,834,284.17/539,508.47
  6. Step 6: Final answer
    x = 406,397.39

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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.