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Finding the Fourth Proportional to 464,548.86, 696,689.42 and 127,600.50

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Solution

The fourth proportional to 464,548.86, 696,689.42 and 127,600.50 is: 191,363.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,548.86 : 696,689.42 = 127,600.50 : x
  2. Step 2: Convert to fraction form
    464,548.86/696,689.42 = 127,600.50/x
  3. Step 3: Cross multiply
    464,548.86x = 696,689.42 × 127,600.50
  4. Step 4: Simplify right side
    464,548.86x = 88,897,918,336.71
  5. Step 5: Solve for x
    x = 88,897,918,336.71/464,548.86
  6. Step 6: Final answer
    x = 191,363.98

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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.