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Finding the Fourth Proportional to 425,334.76, 586,961.50 and 234,348.10

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Solution

The fourth proportional to 425,334.76, 586,961.50 and 234,348.10 is: 323,400.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,334.76 : 586,961.50 = 234,348.10 : x
  2. Step 2: Convert to fraction form
    425,334.76/586,961.50 = 234,348.10/x
  3. Step 3: Cross multiply
    425,334.76x = 586,961.50 × 234,348.10
  4. Step 4: Simplify right side
    425,334.76x = 137,553,312,298.15
  5. Step 5: Solve for x
    x = 137,553,312,298.15/425,334.76
  6. Step 6: Final answer
    x = 323,400.12

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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.