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Finding the Fourth Proportional to 540,552.88, 746,037.17 and 311,105.53

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Solution

The fourth proportional to 540,552.88, 746,037.17 and 311,105.53 is: 429,368.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,552.88 : 746,037.17 = 311,105.53 : x
  2. Step 2: Convert to fraction form
    540,552.88/746,037.17 = 311,105.53/x
  3. Step 3: Cross multiply
    540,552.88x = 746,037.17 × 311,105.53
  4. Step 4: Simplify right side
    540,552.88x = 232,096,289,172.55
  5. Step 5: Solve for x
    x = 232,096,289,172.55/540,552.88
  6. Step 6: Final answer
    x = 429,368.33

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