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Finding the Fourth Proportional to 308,045.55, 462,068.33 and 175,335.15

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Solution

The fourth proportional to 308,045.55, 462,068.33 and 175,335.15 is: 263,002.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,045.55 : 462,068.33 = 175,335.15 : x
  2. Step 2: Convert to fraction form
    308,045.55/462,068.33 = 175,335.15/x
  3. Step 3: Cross multiply
    308,045.55x = 462,068.33 × 175,335.15
  4. Step 4: Simplify right side
    308,045.55x = 81,016,819,074.12
  5. Step 5: Solve for x
    x = 81,016,819,074.12/308,045.55
  6. Step 6: Final answer
    x = 263,002.73

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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.