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Finding the Fourth Proportional to 490,834.60, 736,251.90 and 175,301.80

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Solution

The fourth proportional to 490,834.60, 736,251.90 and 175,301.80 is: 262,952.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,834.60 : 736,251.90 = 175,301.80 : x
  2. Step 2: Convert to fraction form
    490,834.60/736,251.90 = 175,301.80/x
  3. Step 3: Cross multiply
    490,834.60x = 736,251.90 × 175,301.80
  4. Step 4: Simplify right side
    490,834.60x = 129,066,283,323.42
  5. Step 5: Solve for x
    x = 129,066,283,323.42/490,834.60
  6. Step 6: Final answer
    x = 262,952.70

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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.