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Finding the Fourth Proportional to 469,200.60, 703,800.90 and 448,723.80

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Solution

The fourth proportional to 469,200.60, 703,800.90 and 448,723.80 is: 673,085.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,200.60 : 703,800.90 = 448,723.80 : x
  2. Step 2: Convert to fraction form
    469,200.60/703,800.90 = 448,723.80/x
  3. Step 3: Cross multiply
    469,200.60x = 703,800.90 × 448,723.80
  4. Step 4: Simplify right side
    469,200.60x = 315,812,214,291.42
  5. Step 5: Solve for x
    x = 315,812,214,291.42/469,200.60
  6. Step 6: Final answer
    x = 673,085.70

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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.