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Finding the Fourth Proportional to 577,659.06, 866,155.07 and 178,192.58

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Solution

The fourth proportional to 577,659.06, 866,155.07 and 178,192.58 is: 267,185.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,659.06 : 866,155.07 = 178,192.58 : x
  2. Step 2: Convert to fraction form
    577,659.06/866,155.07 = 178,192.58/x
  3. Step 3: Cross multiply
    577,659.06x = 866,155.07 × 178,192.58
  4. Step 4: Simplify right side
    577,659.06x = 154,342,402,718.09
  5. Step 5: Solve for x
    x = 154,342,402,718.09/577,659.06
  6. Step 6: Final answer
    x = 267,185.98

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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.