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Finding the Fourth Proportional to 610,687.01, 915,587.65 and 410,510.90

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Solution

The fourth proportional to 610,687.01, 915,587.65 and 410,510.90 is: 615,468.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,687.01 : 915,587.65 = 410,510.90 : x
  2. Step 2: Convert to fraction form
    610,687.01/915,587.65 = 410,510.90/x
  3. Step 3: Cross multiply
    610,687.01x = 915,587.65 × 410,510.90
  4. Step 4: Simplify right side
    610,687.01x = 375,858,713,032.49
  5. Step 5: Solve for x
    x = 375,858,713,032.49/610,687.01
  6. Step 6: Final answer
    x = 615,468.65

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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.