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Finding the Fourth Proportional to 703,034.88, 970,182.67 and 380,737.50

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Solution

The fourth proportional to 703,034.88, 970,182.67 and 380,737.50 is: 525,414.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,034.88 : 970,182.67 = 380,737.50 : x
  2. Step 2: Convert to fraction form
    703,034.88/970,182.67 = 380,737.50/x
  3. Step 3: Cross multiply
    703,034.88x = 970,182.67 × 380,737.50
  4. Step 4: Simplify right side
    703,034.88x = 369,384,924,319.13
  5. Step 5: Solve for x
    x = 369,384,924,319.13/703,034.88
  6. Step 6: Final answer
    x = 525,414.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.