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Finding the Fourth Proportional to 564,945.03, 847,418.91 and 138,482.76

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Solution

The fourth proportional to 564,945.03, 847,418.91 and 138,482.76 is: 207,724.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,945.03 : 847,418.91 = 138,482.76 : x
  2. Step 2: Convert to fraction form
    564,945.03/847,418.91 = 138,482.76/x
  3. Step 3: Cross multiply
    564,945.03x = 847,418.91 × 138,482.76
  4. Step 4: Simplify right side
    564,945.03x = 117,352,912,970.47
  5. Step 5: Solve for x
    x = 117,352,912,970.47/564,945.03
  6. Step 6: Final answer
    x = 207,724.48

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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.