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Finding the Fourth Proportional to 576,131.59, 864,213.18 and 155,406.25

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Solution

The fourth proportional to 576,131.59, 864,213.18 and 155,406.25 is: 233,113.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,131.59 : 864,213.18 = 155,406.25 : x
  2. Step 2: Convert to fraction form
    576,131.59/864,213.18 = 155,406.25/x
  3. Step 3: Cross multiply
    576,131.59x = 864,213.18 × 155,406.25
  4. Step 4: Simplify right side
    576,131.59x = 134,304,129,504.38
  5. Step 5: Solve for x
    x = 134,304,129,504.38/576,131.59
  6. Step 6: Final answer
    x = 233,113.64

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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.