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Finding the Fourth Proportional to 610,254.48, 915,443.24 and 161,006.40

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Solution

The fourth proportional to 610,254.48, 915,443.24 and 161,006.40 is: 241,525.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,254.48 : 915,443.24 = 161,006.40 : x
  2. Step 2: Convert to fraction form
    610,254.48/915,443.24 = 161,006.40/x
  3. Step 3: Cross multiply
    610,254.48x = 915,443.24 × 161,006.40
  4. Step 4: Simplify right side
    610,254.48x = 147,392,220,476.74
  5. Step 5: Solve for x
    x = 147,392,220,476.74/610,254.48
  6. Step 6: Final answer
    x = 241,525.83

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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.