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Finding the Fourth Proportional to 476,360.88, 714,037.50 and 156,428.70

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Solution

The fourth proportional to 476,360.88, 714,037.50 and 156,428.70 is: 234,477.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,360.88 : 714,037.50 = 156,428.70 : x
  2. Step 2: Convert to fraction form
    476,360.88/714,037.50 = 156,428.70/x
  3. Step 3: Cross multiply
    476,360.88x = 714,037.50 × 156,428.70
  4. Step 4: Simplify right side
    476,360.88x = 111,695,957,876.25
  5. Step 5: Solve for x
    x = 111,695,957,876.25/476,360.88
  6. Step 6: Final answer
    x = 234,477.60

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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.