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Finding the Fourth Proportional to 425,334.87, 586,988.24 and 234,348.21

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Solution

The fourth proportional to 425,334.87, 586,988.24 and 234,348.21 is: 323,414.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,334.87 : 586,988.24 = 234,348.21 : x
  2. Step 2: Convert to fraction form
    425,334.87/586,988.24 = 234,348.21/x
  3. Step 3: Cross multiply
    425,334.87x = 586,988.24 × 234,348.21
  4. Step 4: Simplify right side
    425,334.87x = 137,559,642,163.31
  5. Step 5: Solve for x
    x = 137,559,642,163.31/425,334.87
  6. Step 6: Final answer
    x = 323,414.92

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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.