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Finding the Fourth Proportional to 576,074.88, 864,112.40 and 155,350.80

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Solution

The fourth proportional to 576,074.88, 864,112.40 and 155,350.80 is: 233,026.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,074.88 : 864,112.40 = 155,350.80 : x
  2. Step 2: Convert to fraction form
    576,074.88/864,112.40 = 155,350.80/x
  3. Step 3: Cross multiply
    576,074.88x = 864,112.40 × 155,350.80
  4. Step 4: Simplify right side
    576,074.88x = 134,240,552,629.92
  5. Step 5: Solve for x
    x = 134,240,552,629.92/576,074.88
  6. Step 6: Final answer
    x = 233,026.22

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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.