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Finding the Fourth Proportional to 576,435.20, 864,652.80 and 541,443.20

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Solution

The fourth proportional to 576,435.20, 864,652.80 and 541,443.20 is: 812,164.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,435.20 : 864,652.80 = 541,443.20 : x
  2. Step 2: Convert to fraction form
    576,435.20/864,652.80 = 541,443.20/x
  3. Step 3: Cross multiply
    576,435.20x = 864,652.80 × 541,443.20
  4. Step 4: Simplify right side
    576,435.20x = 468,160,378,920.96
  5. Step 5: Solve for x
    x = 468,160,378,920.96/576,435.20
  6. Step 6: Final answer
    x = 812,164.80

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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.