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Finding the Fourth Proportional to 570,778.64, 787,672.52 and 329,060.04

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Solution

The fourth proportional to 570,778.64, 787,672.52 and 329,060.04 is: 454,101.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,778.64 : 787,672.52 = 329,060.04 : x
  2. Step 2: Convert to fraction form
    570,778.64/787,672.52 = 329,060.04/x
  3. Step 3: Cross multiply
    570,778.64x = 787,672.52 × 329,060.04
  4. Step 4: Simplify right side
    570,778.64x = 259,191,550,938.10
  5. Step 5: Solve for x
    x = 259,191,550,938.10/570,778.64
  6. Step 6: Final answer
    x = 454,101.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.