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Finding the Fourth Proportional to 464,484.48, 696,727.80 and 127,529.74

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Solution

The fourth proportional to 464,484.48, 696,727.80 and 127,529.74 is: 191,294.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,484.48 : 696,727.80 = 127,529.74 : x
  2. Step 2: Convert to fraction form
    464,484.48/696,727.80 = 127,529.74/x
  3. Step 3: Cross multiply
    464,484.48x = 696,727.80 × 127,529.74
  4. Step 4: Simplify right side
    464,484.48x = 88,853,516,055.68
  5. Step 5: Solve for x
    x = 88,853,516,055.68/464,484.48
  6. Step 6: Final answer
    x = 191,294.91

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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.