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Finding the Fourth Proportional to 566,602,894.76, 781,915,096.50 and 328,589,197.89

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Solution

The fourth proportional to 566,602,894.76, 781,915,096.50 and 328,589,197.89 is: 453,454,891.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,602,894.76 : 781,915,096.50 = 328,589,197.89 : x
  2. Step 2: Convert to fraction form
    566,602,894.76/781,915,096.50 = 328,589,197.89/x
  3. Step 3: Cross multiply
    566,602,894.76x = 781,915,096.50 × 328,589,197.89
  4. Step 4: Simplify right side
    566,602,894.76x = 256,928,854,375,373,984
  5. Step 5: Solve for x
    x = 256,928,854,375,373,984/566,602,894.76
  6. Step 6: Final answer
    x = 453,454,891.87

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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.