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Finding the Fourth Proportional to 500,351.76, 750,522.93 and 216,243.18

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Solution

The fourth proportional to 500,351.76, 750,522.93 and 216,243.18 is: 324,362.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,351.76 : 750,522.93 = 216,243.18 : x
  2. Step 2: Convert to fraction form
    500,351.76/750,522.93 = 216,243.18/x
  3. Step 3: Cross multiply
    500,351.76x = 750,522.93 × 216,243.18
  4. Step 4: Simplify right side
    500,351.76x = 162,295,465,046.12
  5. Step 5: Solve for x
    x = 162,295,465,046.12/500,351.76
  6. Step 6: Final answer
    x = 324,362.73

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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.