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Finding the Fourth Proportional to 472,440.60, 708,663.51 and 117,454.62

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Solution

The fourth proportional to 472,440.60, 708,663.51 and 117,454.62 is: 176,182.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,440.60 : 708,663.51 = 117,454.62 : x
  2. Step 2: Convert to fraction form
    472,440.60/708,663.51 = 117,454.62/x
  3. Step 3: Cross multiply
    472,440.60x = 708,663.51 × 117,454.62
  4. Step 4: Simplify right side
    472,440.60x = 83,235,803,274.92
  5. Step 5: Solve for x
    x = 83,235,803,274.92/472,440.60
  6. Step 6: Final answer
    x = 176,182.58

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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.