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Finding the Fourth Proportional to 493,710.04, 681,315.92 and 267,355.54

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Solution

The fourth proportional to 493,710.04, 681,315.92 and 267,355.54 is: 368,948.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,710.04 : 681,315.92 = 267,355.54 : x
  2. Step 2: Convert to fraction form
    493,710.04/681,315.92 = 267,355.54/x
  3. Step 3: Cross multiply
    493,710.04x = 681,315.92 × 267,355.54
  4. Step 4: Simplify right side
    493,710.04x = 182,153,585,702.20
  5. Step 5: Solve for x
    x = 182,153,585,702.20/493,710.04
  6. Step 6: Final answer
    x = 368,948.51

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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.