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Finding the Fourth Proportional to 703,184.85, 970,325.58 and 393,029.37

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Solution

The fourth proportional to 703,184.85, 970,325.58 and 393,029.37 is: 542,341.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,184.85 : 970,325.58 = 393,029.37 : x
  2. Step 2: Convert to fraction form
    703,184.85/970,325.58 = 393,029.37/x
  3. Step 3: Cross multiply
    703,184.85x = 970,325.58 × 393,029.37
  4. Step 4: Simplify right side
    703,184.85x = 381,366,451,402.29
  5. Step 5: Solve for x
    x = 381,366,451,402.29/703,184.85
  6. Step 6: Final answer
    x = 542,341.68

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Double scale
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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.