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Finding the Fourth Proportional to 375,015.18, 564,531.20 and 336,436.50

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Solution

The fourth proportional to 375,015.18, 564,531.20 and 336,436.50 is: 506,456.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,015.18 : 564,531.20 = 336,436.50 : x
  2. Step 2: Convert to fraction form
    375,015.18/564,531.20 = 336,436.50/x
  3. Step 3: Cross multiply
    375,015.18x = 564,531.20 × 336,436.50
  4. Step 4: Simplify right side
    375,015.18x = 189,928,899,386.62
  5. Step 5: Solve for x
    x = 189,928,899,386.62/375,015.18
  6. Step 6: Final answer
    x = 506,456.56

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.