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Finding the Fourth Proportional to 254,221.93, 350,990.61 and 157,528.40

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Solution

The fourth proportional to 254,221.93, 350,990.61 and 157,528.40 is: 217,491.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,221.93 : 350,990.61 = 157,528.40 : x
  2. Step 2: Convert to fraction form
    254,221.93/350,990.61 = 157,528.40/x
  3. Step 3: Cross multiply
    254,221.93x = 350,990.61 × 157,528.40
  4. Step 4: Simplify right side
    254,221.93x = 55,290,987,748.74
  5. Step 5: Solve for x
    x = 55,290,987,748.74/254,221.93
  6. Step 6: Final answer
    x = 217,491.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.