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Finding the Fourth Proportional to 228,044.28, 314,698.86 and 127,442.28

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Solution

The fourth proportional to 228,044.28, 314,698.86 and 127,442.28 is: 175,869.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,044.28 : 314,698.86 = 127,442.28 : x
  2. Step 2: Convert to fraction form
    228,044.28/314,698.86 = 127,442.28/x
  3. Step 3: Cross multiply
    228,044.28x = 314,698.86 × 127,442.28
  4. Step 4: Simplify right side
    228,044.28x = 40,105,940,231.80
  5. Step 5: Solve for x
    x = 40,105,940,231.80/228,044.28
  6. Step 6: Final answer
    x = 175,869.09

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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.