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Finding the Fourth Proportional to 703,304.61, 970,559.19 and 381,022.89

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Solution

The fourth proportional to 703,304.61, 970,559.19 and 381,022.89 is: 525,810.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,304.61 : 970,559.19 = 381,022.89 : x
  2. Step 2: Convert to fraction form
    703,304.61/970,559.19 = 381,022.89/x
  3. Step 3: Cross multiply
    703,304.61x = 970,559.19 × 381,022.89
  4. Step 4: Simplify right side
    703,304.61x = 369,805,267,489.86
  5. Step 5: Solve for x
    x = 369,805,267,489.86/703,304.61
  6. Step 6: Final answer
    x = 525,810.95

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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.