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Finding the Fourth Proportional to 360,800.56, 497,957.66 and 207,808.98

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Solution

The fourth proportional to 360,800.56, 497,957.66 and 207,808.98 is: 286,806.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,800.56 : 497,957.66 = 207,808.98 : x
  2. Step 2: Convert to fraction form
    360,800.56/497,957.66 = 207,808.98/x
  3. Step 3: Cross multiply
    360,800.56x = 497,957.66 × 207,808.98
  4. Step 4: Simplify right side
    360,800.56x = 103,480,073,407.79
  5. Step 5: Solve for x
    x = 103,480,073,407.79/360,800.56
  6. Step 6: Final answer
    x = 286,806.85

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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.