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Finding the Fourth Proportional to 369,624.68, 510,082.42 and 199,858.76

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Solution

The fourth proportional to 369,624.68, 510,082.42 and 199,858.76 is: 275,805.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,624.68 : 510,082.42 = 199,858.76 : x
  2. Step 2: Convert to fraction form
    369,624.68/510,082.42 = 199,858.76/x
  3. Step 3: Cross multiply
    369,624.68x = 510,082.42 × 199,858.76
  4. Step 4: Simplify right side
    369,624.68x = 101,944,439,959.00
  5. Step 5: Solve for x
    x = 101,944,439,959.00/369,624.68
  6. Step 6: Final answer
    x = 275,805.28

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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.