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Finding the Fourth Proportional to 555,496.40, 831,932.40 and 377,037.20

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Solution

The fourth proportional to 555,496.40, 831,932.40 and 377,037.20 is: 564,665.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,496.40 : 831,932.40 = 377,037.20 : x
  2. Step 2: Convert to fraction form
    555,496.40/831,932.40 = 377,037.20/x
  3. Step 3: Cross multiply
    555,496.40x = 831,932.40 × 377,037.20
  4. Step 4: Simplify right side
    555,496.40x = 313,669,462,685.28
  5. Step 5: Solve for x
    x = 313,669,462,685.28/555,496.40
  6. Step 6: Final answer
    x = 564,665.16

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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.