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Finding the Fourth Proportional to 622,460.43, 932,193.72 and 355,411.53

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Solution

The fourth proportional to 622,460.43, 932,193.72 and 355,411.53 is: 532,262.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,460.43 : 932,193.72 = 355,411.53 : x
  2. Step 2: Convert to fraction form
    622,460.43/932,193.72 = 355,411.53/x
  3. Step 3: Cross multiply
    622,460.43x = 932,193.72 × 355,411.53
  4. Step 4: Simplify right side
    622,460.43x = 331,312,396,281.59
  5. Step 5: Solve for x
    x = 331,312,396,281.59/622,460.43
  6. Step 6: Final answer
    x = 532,262.58

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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.