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Finding the Fourth Proportional to 364,981.60, 547,472.40 and 264,671.20

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Solution

The fourth proportional to 364,981.60, 547,472.40 and 264,671.20 is: 397,006.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,981.60 : 547,472.40 = 264,671.20 : x
  2. Step 2: Convert to fraction form
    364,981.60/547,472.40 = 264,671.20/x
  3. Step 3: Cross multiply
    364,981.60x = 547,472.40 × 264,671.20
  4. Step 4: Simplify right side
    364,981.60x = 144,900,177,074.88
  5. Step 5: Solve for x
    x = 144,900,177,074.88/364,981.60
  6. Step 6: Final answer
    x = 397,006.80

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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.