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Finding the Fourth Proportional to 492,304, 738,527.28 and 155,230.24

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Solution

The fourth proportional to 492,304, 738,527.28 and 155,230.24 is: 232,867.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,304 : 738,527.28 = 155,230.24 : x
  2. Step 2: Convert to fraction form
    492,304/738,527.28 = 155,230.24/x
  3. Step 3: Cross multiply
    492,304x = 738,527.28 × 155,230.24
  4. Step 4: Simplify right side
    492,304x = 114,641,766,920.95
  5. Step 5: Solve for x
    x = 114,641,766,920.95/492,304
  6. Step 6: Final answer
    x = 232,867.84

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1.5x scale

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.