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Finding the Fourth Proportional to 635,059.53, 876,374.70 and 344,671.61

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Solution

The fourth proportional to 635,059.53, 876,374.70 and 344,671.61 is: 475,642.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,059.53 : 876,374.70 = 344,671.61 : x
  2. Step 2: Convert to fraction form
    635,059.53/876,374.70 = 344,671.61/x
  3. Step 3: Cross multiply
    635,059.53x = 876,374.70 × 344,671.61
  4. Step 4: Simplify right side
    635,059.53x = 302,061,474,430.39
  5. Step 5: Solve for x
    x = 302,061,474,430.39/635,059.53
  6. Step 6: Final answer
    x = 475,642.77

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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.