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Finding the Fourth Proportional to 502,338.24, 693,224 and 272,893.70

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Solution

The fourth proportional to 502,338.24, 693,224 and 272,893.70 is: 376,591.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,338.24 : 693,224 = 272,893.70 : x
  2. Step 2: Convert to fraction form
    502,338.24/693,224 = 272,893.70/x
  3. Step 3: Cross multiply
    502,338.24x = 693,224 × 272,893.70
  4. Step 4: Simplify right side
    502,338.24x = 189,176,462,288.80
  5. Step 5: Solve for x
    x = 189,176,462,288.80/502,338.24
  6. Step 6: Final answer
    x = 376,591.80

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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.