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Finding the Fourth Proportional to 424,027.04, 636,071.71 and 157,787.53

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Solution

The fourth proportional to 424,027.04, 636,071.71 and 157,787.53 is: 236,692.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,027.04 : 636,071.71 = 157,787.53 : x
  2. Step 2: Convert to fraction form
    424,027.04/636,071.71 = 157,787.53/x
  3. Step 3: Cross multiply
    424,027.04x = 636,071.71 × 157,787.53
  4. Step 4: Simplify right side
    424,027.04x = 100,364,184,023.78
  5. Step 5: Solve for x
    x = 100,364,184,023.78/424,027.04
  6. Step 6: Final answer
    x = 236,692.89

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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.