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Finding the Fourth Proportional to 464,377.86, 696,567.74 and 127,423.13

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Solution

The fourth proportional to 464,377.86, 696,567.74 and 127,423.13 is: 191,134.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,377.86 : 696,567.74 = 127,423.13 : x
  2. Step 2: Convert to fraction form
    464,377.86/696,567.74 = 127,423.13/x
  3. Step 3: Cross multiply
    464,377.86x = 696,567.74 × 127,423.13
  4. Step 4: Simplify right side
    464,377.86x = 88,758,837,567.87
  5. Step 5: Solve for x
    x = 88,758,837,567.87/464,377.86
  6. Step 6: Final answer
    x = 191,134.95

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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.