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Finding the Fourth Proportional to 560,069.60, 840,104.40 and 293,727.20

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Solution

The fourth proportional to 560,069.60, 840,104.40 and 293,727.20 is: 440,590.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,069.60 : 840,104.40 = 293,727.20 : x
  2. Step 2: Convert to fraction form
    560,069.60/840,104.40 = 293,727.20/x
  3. Step 3: Cross multiply
    560,069.60x = 840,104.40 × 293,727.20
  4. Step 4: Simplify right side
    560,069.60x = 246,761,513,119.68
  5. Step 5: Solve for x
    x = 246,761,513,119.68/560,069.60
  6. Step 6: Final answer
    x = 440,590.80

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Similar ratio
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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.