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Finding the Fourth Proportional to 576,001.40, 864,002.10 and 455,732.60

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Solution

The fourth proportional to 576,001.40, 864,002.10 and 455,732.60 is: 683,598.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,001.40 : 864,002.10 = 455,732.60 : x
  2. Step 2: Convert to fraction form
    576,001.40/864,002.10 = 455,732.60/x
  3. Step 3: Cross multiply
    576,001.40x = 864,002.10 × 455,732.60
  4. Step 4: Simplify right side
    576,001.40x = 393,753,923,438.46
  5. Step 5: Solve for x
    x = 393,753,923,438.46/576,001.40
  6. Step 6: Final answer
    x = 683,598.90

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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.