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Finding the Fourth Proportional to 576,133.59, 864,216.18 and 155,408.25

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Solution

The fourth proportional to 576,133.59, 864,216.18 and 155,408.25 is: 233,116.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,133.59 : 864,216.18 = 155,408.25 : x
  2. Step 2: Convert to fraction form
    576,133.59/864,216.18 = 155,408.25/x
  3. Step 3: Cross multiply
    576,133.59x = 864,216.18 × 155,408.25
  4. Step 4: Simplify right side
    576,133.59x = 134,306,324,155.49
  5. Step 5: Solve for x
    x = 134,306,324,155.49/576,133.59
  6. Step 6: Final answer
    x = 233,116.64

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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.