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Finding the Fourth Proportional to 369,648.40, 510,114.40 and 199,882.12

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Solution

The fourth proportional to 369,648.40, 510,114.40 and 199,882.12 is: 275,837.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,648.40 : 510,114.40 = 199,882.12 : x
  2. Step 2: Convert to fraction form
    369,648.40/510,114.40 = 199,882.12/x
  3. Step 3: Cross multiply
    369,648.40x = 510,114.40 × 199,882.12
  4. Step 4: Simplify right side
    369,648.40x = 101,962,747,714.53
  5. Step 5: Solve for x
    x = 101,962,747,714.53/369,648.40
  6. Step 6: Final answer
    x = 275,837.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.