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Finding the Fourth Proportional to 703,224.18, 970,454.04 and 380,934.30

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Solution

The fourth proportional to 703,224.18, 970,454.04 and 380,934.30 is: 525,691.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,224.18 : 970,454.04 = 380,934.30 : x
  2. Step 2: Convert to fraction form
    703,224.18/970,454.04 = 380,934.30/x
  3. Step 3: Cross multiply
    703,224.18x = 970,454.04 × 380,934.30
  4. Step 4: Simplify right side
    703,224.18x = 369,679,230,409.57
  5. Step 5: Solve for x
    x = 369,679,230,409.57/703,224.18
  6. Step 6: Final answer
    x = 525,691.86

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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.