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Finding the Fourth Proportional to 491,519.53, 737,032.65 and 238,641.58

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Solution

The fourth proportional to 491,519.53, 737,032.65 and 238,641.58 is: 357,842.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,519.53 : 737,032.65 = 238,641.58 : x
  2. Step 2: Convert to fraction form
    491,519.53/737,032.65 = 238,641.58/x
  3. Step 3: Cross multiply
    491,519.53x = 737,032.65 × 238,641.58
  4. Step 4: Simplify right side
    491,519.53x = 175,886,636,107.59
  5. Step 5: Solve for x
    x = 175,886,636,107.59/491,519.53
  6. Step 6: Final answer
    x = 357,842.62

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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.