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Finding the Fourth Proportional to 425,042.75, 586,559 and 234,055.69

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Solution

The fourth proportional to 425,042.75, 586,559 and 234,055.69 is: 322,996.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,042.75 : 586,559 = 234,055.69 : x
  2. Step 2: Convert to fraction form
    425,042.75/586,559 = 234,055.69/x
  3. Step 3: Cross multiply
    425,042.75x = 586,559 × 234,055.69
  4. Step 4: Simplify right side
    425,042.75x = 137,287,471,470.71
  5. Step 5: Solve for x
    x = 137,287,471,470.71/425,042.75
  6. Step 6: Final answer
    x = 322,996.85

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Double scale
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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.