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Finding the Fourth Proportional to 443,957.78, 613,156.30 and 410,365.46

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Solution

The fourth proportional to 443,957.78, 613,156.30 and 410,365.46 is: 566,761.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,957.78 : 613,156.30 = 410,365.46 : x
  2. Step 2: Convert to fraction form
    443,957.78/613,156.30 = 410,365.46/x
  3. Step 3: Cross multiply
    443,957.78x = 613,156.30 × 410,365.46
  4. Step 4: Simplify right side
    443,957.78x = 251,618,167,101.40
  5. Step 5: Solve for x
    x = 251,618,167,101.40/443,957.78
  6. Step 6: Final answer
    x = 566,761.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.