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Finding the Fourth Proportional to 492,527.66, 738,833.40 and 155,478.15

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Solution

The fourth proportional to 492,527.66, 738,833.40 and 155,478.15 is: 233,230.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,527.66 : 738,833.40 = 155,478.15 : x
  2. Step 2: Convert to fraction form
    492,527.66/738,833.40 = 155,478.15/x
  3. Step 3: Cross multiply
    492,527.66x = 738,833.40 × 155,478.15
  4. Step 4: Simplify right side
    492,527.66x = 114,872,450,190.21
  5. Step 5: Solve for x
    x = 114,872,450,190.21/492,527.66
  6. Step 6: Final answer
    x = 233,230.46

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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.