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Finding the Fourth Proportional to 577,615.80, 865,962.90 and 244,918.20

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Solution

The fourth proportional to 577,615.80, 865,962.90 and 244,918.20 is: 367,181.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,615.80 : 865,962.90 = 244,918.20 : x
  2. Step 2: Convert to fraction form
    577,615.80/865,962.90 = 244,918.20/x
  3. Step 3: Cross multiply
    577,615.80x = 865,962.90 × 244,918.20
  4. Step 4: Simplify right side
    577,615.80x = 212,090,074,734.78
  5. Step 5: Solve for x
    x = 212,090,074,734.78/577,615.80
  6. Step 6: Final answer
    x = 367,181.91

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Double scale
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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.