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Finding the Fourth Proportional to 268,594.46, 370,713.00 and 153,949.95

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Solution

The fourth proportional to 268,594.46, 370,713.00 and 153,949.95 is: 212,481.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,594.46 : 370,713.00 = 153,949.95 : x
  2. Step 2: Convert to fraction form
    268,594.46/370,713.00 = 153,949.95/x
  3. Step 3: Cross multiply
    268,594.46x = 370,713.00 × 153,949.95
  4. Step 4: Simplify right side
    268,594.46x = 57,071,248,391.66
  5. Step 5: Solve for x
    x = 57,071,248,391.66/268,594.46
  6. Step 6: Final answer
    x = 212,481.11

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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.