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Finding the Fourth Proportional to 576,280.80, 864,421.20 and 366,847.20

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Solution

The fourth proportional to 576,280.80, 864,421.20 and 366,847.20 is: 550,270.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,280.80 : 864,421.20 = 366,847.20 : x
  2. Step 2: Convert to fraction form
    576,280.80/864,421.20 = 366,847.20/x
  3. Step 3: Cross multiply
    576,280.80x = 864,421.20 × 366,847.20
  4. Step 4: Simplify right side
    576,280.80x = 317,110,496,840.64
  5. Step 5: Solve for x
    x = 317,110,496,840.64/576,280.80
  6. Step 6: Final answer
    x = 550,270.80

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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.