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Finding the Fourth Proportional to 635,228.73, 876,557.35 and 377,061.58

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Solution

The fourth proportional to 635,228.73, 876,557.35 and 377,061.58 is: 520,310.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,228.73 : 876,557.35 = 377,061.58 : x
  2. Step 2: Convert to fraction form
    635,228.73/876,557.35 = 377,061.58/x
  3. Step 3: Cross multiply
    635,228.73x = 876,557.35 × 377,061.58
  4. Step 4: Simplify right side
    635,228.73x = 330,516,098,797.67
  5. Step 5: Solve for x
    x = 330,516,098,797.67/635,228.73
  6. Step 6: Final answer
    x = 520,310.38

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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.