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Finding the Fourth Proportional to 472,829.80, 709,244.70 and 223,997.80

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Solution

The fourth proportional to 472,829.80, 709,244.70 and 223,997.80 is: 335,996.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,829.80 : 709,244.70 = 223,997.80 : x
  2. Step 2: Convert to fraction form
    472,829.80/709,244.70 = 223,997.80/x
  3. Step 3: Cross multiply
    472,829.80x = 709,244.70 × 223,997.80
  4. Step 4: Simplify right side
    472,829.80x = 158,869,252,461.66
  5. Step 5: Solve for x
    x = 158,869,252,461.66/472,829.80
  6. Step 6: Final answer
    x = 335,996.70

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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.