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Finding the Fourth Proportional to 555,743.27, 833,615.53 and 135,019.15

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Solution

The fourth proportional to 555,743.27, 833,615.53 and 135,019.15 is: 202,528.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,743.27 : 833,615.53 = 135,019.15 : x
  2. Step 2: Convert to fraction form
    555,743.27/833,615.53 = 135,019.15/x
  3. Step 3: Cross multiply
    555,743.27x = 833,615.53 × 135,019.15
  4. Step 4: Simplify right side
    555,743.27x = 112,554,057,865.81
  5. Step 5: Solve for x
    x = 112,554,057,865.81/555,743.27
  6. Step 6: Final answer
    x = 202,528.87

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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.