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Finding the Fourth Proportional to 577,850.40, 865,609.20 and 577,850.40

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Solution

The fourth proportional to 577,850.40, 865,609.20 and 577,850.40 is: 865,609.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,850.40 : 865,609.20 = 577,850.40 : x
  2. Step 2: Convert to fraction form
    577,850.40/865,609.20 = 577,850.40/x
  3. Step 3: Cross multiply
    577,850.40x = 865,609.20 × 577,850.40
  4. Step 4: Simplify right side
    577,850.40x = 500,192,622,463.68
  5. Step 5: Solve for x
    x = 500,192,622,463.68/577,850.40
  6. Step 6: Final answer
    x = 865,609.20

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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.