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Finding the Fourth Proportional to 464,906.30, 697,359.45 and 127,946.30

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Solution

The fourth proportional to 464,906.30, 697,359.45 and 127,946.30 is: 191,919.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,906.30 : 697,359.45 = 127,946.30 : x
  2. Step 2: Convert to fraction form
    464,906.30/697,359.45 = 127,946.30/x
  3. Step 3: Cross multiply
    464,906.30x = 697,359.45 × 127,946.30
  4. Step 4: Simplify right side
    464,906.30x = 89,224,561,397.54
  5. Step 5: Solve for x
    x = 89,224,561,397.54/464,906.30
  6. Step 6: Final answer
    x = 191,919.45

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Similar ratio
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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.