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Finding the Fourth Proportional to 472,479.85, 708,722.60 and 117,493.87

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Solution

The fourth proportional to 472,479.85, 708,722.60 and 117,493.87 is: 176,241.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,479.85 : 708,722.60 = 117,493.87 : x
  2. Step 2: Convert to fraction form
    472,479.85/708,722.60 = 117,493.87/x
  3. Step 3: Cross multiply
    472,479.85x = 708,722.60 × 117,493.87
  4. Step 4: Simplify right side
    472,479.85x = 83,270,561,030.46
  5. Step 5: Solve for x
    x = 83,270,561,030.46/472,479.85
  6. Step 6: Final answer
    x = 176,241.51

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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.