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Finding the Fourth Proportional to 437,066.64, 655,712.64 and 237,335.76

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Solution

The fourth proportional to 437,066.64, 655,712.64 and 237,335.76 is: 356,064.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,066.64 : 655,712.64 = 237,335.76 : x
  2. Step 2: Convert to fraction form
    437,066.64/655,712.64 = 237,335.76/x
  3. Step 3: Cross multiply
    437,066.64x = 655,712.64 × 237,335.76
  4. Step 4: Simplify right side
    437,066.64x = 155,624,057,756.01
  5. Step 5: Solve for x
    x = 155,624,057,756.01/437,066.64
  6. Step 6: Final answer
    x = 356,064.83

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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.