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Finding the Fourth Proportional to 415,419.94, 623,129.94 and 237,801.84

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Solution

The fourth proportional to 415,419.94, 623,129.94 and 237,801.84 is: 356,702.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,419.94 : 623,129.94 = 237,801.84 : x
  2. Step 2: Convert to fraction form
    415,419.94/623,129.94 = 237,801.84/x
  3. Step 3: Cross multiply
    415,419.94x = 623,129.94 × 237,801.84
  4. Step 4: Simplify right side
    415,419.94x = 148,181,446,291.09
  5. Step 5: Solve for x
    x = 148,181,446,291.09/415,419.94
  6. Step 6: Final answer
    x = 356,702.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.