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Finding the Fourth Proportional to 482,948.80, 725,114.40 and 272,996.80

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Solution

The fourth proportional to 482,948.80, 725,114.40 and 272,996.80 is: 409,885.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,948.80 : 725,114.40 = 272,996.80 : x
  2. Step 2: Convert to fraction form
    482,948.80/725,114.40 = 272,996.80/x
  3. Step 3: Cross multiply
    482,948.80x = 725,114.40 × 272,996.80
  4. Step 4: Simplify right side
    482,948.80x = 197,953,910,833.92
  5. Step 5: Solve for x
    x = 197,953,910,833.92/482,948.80
  6. Step 6: Final answer
    x = 409,885.92

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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.