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Finding the Fourth Proportional to 577,120.93, 865,681.62 and 150,655.57

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Solution

The fourth proportional to 577,120.93, 865,681.62 and 150,655.57 is: 225,983.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,120.93 : 865,681.62 = 150,655.57 : x
  2. Step 2: Convert to fraction form
    577,120.93/865,681.62 = 150,655.57/x
  3. Step 3: Cross multiply
    577,120.93x = 865,681.62 × 150,655.57
  4. Step 4: Simplify right side
    577,120.93x = 130,419,757,899.62
  5. Step 5: Solve for x
    x = 130,419,757,899.62/577,120.93
  6. Step 6: Final answer
    x = 225,983.41

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Similar ratio
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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.