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Finding the Fourth Proportional to 502,843.38, 754,263.09 and 203,320.32

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Solution

The fourth proportional to 502,843.38, 754,263.09 and 203,320.32 is: 304,979.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,843.38 : 754,263.09 = 203,320.32 : x
  2. Step 2: Convert to fraction form
    502,843.38/754,263.09 = 203,320.32/x
  3. Step 3: Cross multiply
    502,843.38x = 754,263.09 × 203,320.32
  4. Step 4: Simplify right side
    502,843.38x = 153,357,012,822.99
  5. Step 5: Solve for x
    x = 153,357,012,822.99/502,843.38
  6. Step 6: Final answer
    x = 304,979.68

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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.