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Finding the Fourth Proportional to 345,982.48, 477,454.44 and 187,006.48

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Solution

The fourth proportional to 345,982.48, 477,454.44 and 187,006.48 is: 258,068.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,982.48 : 477,454.44 = 187,006.48 : x
  2. Step 2: Convert to fraction form
    345,982.48/477,454.44 = 187,006.48/x
  3. Step 3: Cross multiply
    345,982.48x = 477,454.44 × 187,006.48
  4. Step 4: Simplify right side
    345,982.48x = 89,287,074,184.77
  5. Step 5: Solve for x
    x = 89,287,074,184.77/345,982.48
  6. Step 6: Final answer
    x = 258,068.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.