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Finding the Fourth Proportional to 297,897.28, 411,087.84 and 163,760.32

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Solution

The fourth proportional to 297,897.28, 411,087.84 and 163,760.32 is: 225,983.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,897.28 : 411,087.84 = 163,760.32 : x
  2. Step 2: Convert to fraction form
    297,897.28/411,087.84 = 163,760.32/x
  3. Step 3: Cross multiply
    297,897.28x = 411,087.84 × 163,760.32
  4. Step 4: Simplify right side
    297,897.28x = 67,319,876,226.51
  5. Step 5: Solve for x
    x = 67,319,876,226.51/297,897.28
  6. Step 6: Final answer
    x = 225,983.52

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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.