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Finding the Fourth Proportional to 369,725.49, 510,221.16 and 199,959.61

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Solution

The fourth proportional to 369,725.49, 510,221.16 and 199,959.61 is: 275,944.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,725.49 : 510,221.16 = 199,959.61 : x
  2. Step 2: Convert to fraction form
    369,725.49/510,221.16 = 199,959.61/x
  3. Step 3: Cross multiply
    369,725.49x = 510,221.16 × 199,959.61
  4. Step 4: Simplify right side
    369,725.49x = 102,023,624,167.35
  5. Step 5: Solve for x
    x = 102,023,624,167.35/369,725.49
  6. Step 6: Final answer
    x = 275,944.25

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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.