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Finding the Fourth Proportional to 531,377.40, 797,066.10 and 448,708.80

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Solution

The fourth proportional to 531,377.40, 797,066.10 and 448,708.80 is: 673,063.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,377.40 : 797,066.10 = 448,708.80 : x
  2. Step 2: Convert to fraction form
    531,377.40/797,066.10 = 448,708.80/x
  3. Step 3: Cross multiply
    531,377.40x = 797,066.10 × 448,708.80
  4. Step 4: Simplify right side
    531,377.40x = 357,650,573,251.68
  5. Step 5: Solve for x
    x = 357,650,573,251.68/531,377.40
  6. Step 6: Final answer
    x = 673,063.20

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Similar ratio
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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.