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Finding the Fourth Proportional to 492,096.90, 738,145.35 and 487,949.70

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Solution

The fourth proportional to 492,096.90, 738,145.35 and 487,949.70 is: 731,924.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,096.90 : 738,145.35 = 487,949.70 : x
  2. Step 2: Convert to fraction form
    492,096.90/738,145.35 = 487,949.70/x
  3. Step 3: Cross multiply
    492,096.90x = 738,145.35 × 487,949.70
  4. Step 4: Simplify right side
    492,096.90x = 360,177,802,088.90
  5. Step 5: Solve for x
    x = 360,177,802,088.90/492,096.90
  6. Step 6: Final answer
    x = 731,924.55

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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.