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Finding the Fourth Proportional to 324,151.40, 486,008.40 and 155,752.40

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Solution

The fourth proportional to 324,151.40, 486,008.40 and 155,752.40 is: 233,523.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,151.40 : 486,008.40 = 155,752.40 : x
  2. Step 2: Convert to fraction form
    324,151.40/486,008.40 = 155,752.40/x
  3. Step 3: Cross multiply
    324,151.40x = 486,008.40 × 155,752.40
  4. Step 4: Simplify right side
    324,151.40x = 75,696,974,720.16
  5. Step 5: Solve for x
    x = 75,696,974,720.16/324,151.40
  6. Step 6: Final answer
    x = 233,523.52

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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.