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Finding the Fourth Proportional to 602,641.60, 903,933.60 and 203,243.20

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Solution

The fourth proportional to 602,641.60, 903,933.60 and 203,243.20 is: 304,855.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,641.60 : 903,933.60 = 203,243.20 : x
  2. Step 2: Convert to fraction form
    602,641.60/903,933.60 = 203,243.20/x
  3. Step 3: Cross multiply
    602,641.60x = 903,933.60 × 203,243.20
  4. Step 4: Simplify right side
    602,641.60x = 183,718,357,451.52
  5. Step 5: Solve for x
    x = 183,718,357,451.52/602,641.60
  6. Step 6: Final answer
    x = 304,855.09

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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.