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Finding the Fourth Proportional to 502,843.84, 754,263.76 and 203,320.88

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Solution

The fourth proportional to 502,843.84, 754,263.76 and 203,320.88 is: 304,980.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,843.84 : 754,263.76 = 203,320.88 : x
  2. Step 2: Convert to fraction form
    502,843.84/754,263.76 = 203,320.88/x
  3. Step 3: Cross multiply
    502,843.84x = 754,263.76 × 203,320.88
  4. Step 4: Simplify right side
    502,843.84x = 153,357,571,435.31
  5. Step 5: Solve for x
    x = 153,357,571,435.31/502,843.84
  6. Step 6: Final answer
    x = 304,980.51

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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.