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Finding the Fourth Proportional to 425,344.72, 586,948.24 and 253,275.31

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Solution

The fourth proportional to 425,344.72, 586,948.24 and 253,275.31 is: 349,503.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,344.72 : 586,948.24 = 253,275.31 : x
  2. Step 2: Convert to fraction form
    425,344.72/586,948.24 = 253,275.31/x
  3. Step 3: Cross multiply
    425,344.72x = 586,948.24 × 253,275.31
  4. Step 4: Simplify right side
    425,344.72x = 148,659,497,439.95
  5. Step 5: Solve for x
    x = 148,659,497,439.95/425,344.72
  6. Step 6: Final answer
    x = 349,503.57

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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.