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Finding the Fourth Proportional to 648,049.70, 971,296.95 and 332,344.10

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Solution

The fourth proportional to 648,049.70, 971,296.95 and 332,344.10 is: 498,117.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,049.70 : 971,296.95 = 332,344.10 : x
  2. Step 2: Convert to fraction form
    648,049.70/971,296.95 = 332,344.10/x
  3. Step 3: Cross multiply
    648,049.70x = 971,296.95 × 332,344.10
  4. Step 4: Simplify right side
    648,049.70x = 322,804,810,680.50
  5. Step 5: Solve for x
    x = 322,804,810,680.50/648,049.70
  6. Step 6: Final answer
    x = 498,117.37

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.