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Finding the Fourth Proportional to 464,911.30, 697,366.95 and 127,951.30

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Solution

The fourth proportional to 464,911.30, 697,366.95 and 127,951.30 is: 191,926.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,911.30 : 697,366.95 = 127,951.30 : x
  2. Step 2: Convert to fraction form
    464,911.30/697,366.95 = 127,951.30/x
  3. Step 3: Cross multiply
    464,911.30x = 697,366.95 × 127,951.30
  4. Step 4: Simplify right side
    464,911.30x = 89,229,007,829.54
  5. Step 5: Solve for x
    x = 89,229,007,829.54/464,911.30
  6. Step 6: Final answer
    x = 191,926.95

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Similar ratio
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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.