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Finding the Fourth Proportional to 602,876.64, 904,591.25 and 261,424.77

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Solution

The fourth proportional to 602,876.64, 904,591.25 and 261,424.77 is: 392,256.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,876.64 : 904,591.25 = 261,424.77 : x
  2. Step 2: Convert to fraction form
    602,876.64/904,591.25 = 261,424.77/x
  3. Step 3: Cross multiply
    602,876.64x = 904,591.25 × 261,424.77
  4. Step 4: Simplify right side
    602,876.64x = 236,482,558,168.14
  5. Step 5: Solve for x
    x = 236,482,558,168.14/602,876.64
  6. Step 6: Final answer
    x = 392,256.96

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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.