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Finding the Fourth Proportional to 438,565.50, 605,235.06 and 268,766.82

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Solution

The fourth proportional to 438,565.50, 605,235.06 and 268,766.82 is: 370,907.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,565.50 : 605,235.06 = 268,766.82 : x
  2. Step 2: Convert to fraction form
    438,565.50/605,235.06 = 268,766.82/x
  3. Step 3: Cross multiply
    438,565.50x = 605,235.06 × 268,766.82
  4. Step 4: Simplify right side
    438,565.50x = 162,667,102,428.71
  5. Step 5: Solve for x
    x = 162,667,102,428.71/438,565.50
  6. Step 6: Final answer
    x = 370,907.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.