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Finding the Fourth Proportional to 488,908.40, 735,330.90 and 437,732.60

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Solution

The fourth proportional to 488,908.40, 735,330.90 and 437,732.60 is: 658,361.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,908.40 : 735,330.90 = 437,732.60 : x
  2. Step 2: Convert to fraction form
    488,908.40/735,330.90 = 437,732.60/x
  3. Step 3: Cross multiply
    488,908.40x = 735,330.90 × 437,732.60
  4. Step 4: Simplify right side
    488,908.40x = 321,878,306,717.34
  5. Step 5: Solve for x
    x = 321,878,306,717.34/488,908.40
  6. Step 6: Final answer
    x = 658,361.17

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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.