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Finding the Fourth Proportional to 506,335.90, 758,839.45 and 372,589.90

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Solution

The fourth proportional to 506,335.90, 758,839.45 and 372,589.90 is: 558,395.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,335.90 : 758,839.45 = 372,589.90 : x
  2. Step 2: Convert to fraction form
    506,335.90/758,839.45 = 372,589.90/x
  3. Step 3: Cross multiply
    506,335.90x = 758,839.45 × 372,589.90
  4. Step 4: Simplify right side
    506,335.90x = 282,735,914,791.56
  5. Step 5: Solve for x
    x = 282,735,914,791.56/506,335.90
  6. Step 6: Final answer
    x = 558,395.95

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1.5x scale

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.