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Finding the Fourth Proportional to 423,489.57, 632,188.13 and 362,865.24

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Solution

The fourth proportional to 423,489.57, 632,188.13 and 362,865.24 is: 541,687.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,489.57 : 632,188.13 = 362,865.24 : x
  2. Step 2: Convert to fraction form
    423,489.57/632,188.13 = 362,865.24/x
  3. Step 3: Cross multiply
    423,489.57x = 632,188.13 × 362,865.24
  4. Step 4: Simplify right side
    423,489.57x = 229,399,094,356.66
  5. Step 5: Solve for x
    x = 229,399,094,356.66/423,489.57
  6. Step 6: Final answer
    x = 541,687.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.