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Finding the Fourth Proportional to 610,086.50, 915,263.76 and 250,259.48

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Solution

The fourth proportional to 610,086.50, 915,263.76 and 250,259.48 is: 375,444.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,086.50 : 915,263.76 = 250,259.48 : x
  2. Step 2: Convert to fraction form
    610,086.50/915,263.76 = 250,259.48/x
  3. Step 3: Cross multiply
    610,086.50x = 915,263.76 × 250,259.48
  4. Step 4: Simplify right side
    610,086.50x = 229,053,432,640.45
  5. Step 5: Solve for x
    x = 229,053,432,640.45/610,086.50
  6. Step 6: Final answer
    x = 375,444.19

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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.