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Finding the Fourth Proportional to 415,617.88, 573,541.20 and 234,328.24

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Solution

The fourth proportional to 415,617.88, 573,541.20 and 234,328.24 is: 323,366.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,617.88 : 573,541.20 = 234,328.24 : x
  2. Step 2: Convert to fraction form
    415,617.88/573,541.20 = 234,328.24/x
  3. Step 3: Cross multiply
    415,617.88x = 573,541.20 × 234,328.24
  4. Step 4: Simplify right side
    415,617.88x = 134,396,899,963.49
  5. Step 5: Solve for x
    x = 134,396,899,963.49/415,617.88
  6. Step 6: Final answer
    x = 323,366.50

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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.