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Finding the Fourth Proportional to 703,349.13, 970,622.76 and 381,059.24

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Solution

The fourth proportional to 703,349.13, 970,622.76 and 381,059.24 is: 525,862.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,349.13 : 970,622.76 = 381,059.24 : x
  2. Step 2: Convert to fraction form
    703,349.13/970,622.76 = 381,059.24/x
  3. Step 3: Cross multiply
    703,349.13x = 970,622.76 × 381,059.24
  4. Step 4: Simplify right side
    703,349.13x = 369,864,769,347.01
  5. Step 5: Solve for x
    x = 369,864,769,347.01/703,349.13
  6. Step 6: Final answer
    x = 525,862.27

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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.