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Finding the Fourth Proportional to 564,443.20, 846,901.72 and 351,389.28

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Solution

The fourth proportional to 564,443.20, 846,901.72 and 351,389.28 is: 527,231.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,443.20 : 846,901.72 = 351,389.28 : x
  2. Step 2: Convert to fraction form
    564,443.20/846,901.72 = 351,389.28/x
  3. Step 3: Cross multiply
    564,443.20x = 846,901.72 × 351,389.28
  4. Step 4: Simplify right side
    564,443.20x = 297,592,185,621.56
  5. Step 5: Solve for x
    x = 297,592,185,621.56/564,443.20
  6. Step 6: Final answer
    x = 527,231.41

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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.