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Finding the Fourth Proportional to 264,331, 364,775.88 and 143,472.28

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Solution

The fourth proportional to 264,331, 364,775.88 and 143,472.28 is: 197,991.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,331 : 364,775.88 = 143,472.28 : x
  2. Step 2: Convert to fraction form
    264,331/364,775.88 = 143,472.28/x
  3. Step 3: Cross multiply
    264,331x = 364,775.88 × 143,472.28
  4. Step 4: Simplify right side
    264,331x = 52,335,227,192.61
  5. Step 5: Solve for x
    x = 52,335,227,192.61/264,331
  6. Step 6: Final answer
    x = 197,991.26

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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.