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Finding the Fourth Proportional to 555,642.95, 833,520.20 and 150,842.00

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Solution

The fourth proportional to 555,642.95, 833,520.20 and 150,842.00 is: 226,278.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,642.95 : 833,520.20 = 150,842.00 : x
  2. Step 2: Convert to fraction form
    555,642.95/833,520.20 = 150,842.00/x
  3. Step 3: Cross multiply
    555,642.95x = 833,520.20 × 150,842.00
  4. Step 4: Simplify right side
    555,642.95x = 125,729,849,086.59
  5. Step 5: Solve for x
    x = 125,729,849,086.59/555,642.95
  6. Step 6: Final answer
    x = 226,278.13

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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.