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Finding the Fourth Proportional to 503,888.71, 755,860.61 and 204,324.79

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Solution

The fourth proportional to 503,888.71, 755,860.61 and 204,324.79 is: 306,498.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,888.71 : 755,860.61 = 204,324.79 : x
  2. Step 2: Convert to fraction form
    503,888.71/755,860.61 = 204,324.79/x
  3. Step 3: Cross multiply
    503,888.71x = 755,860.61 × 204,324.79
  4. Step 4: Simplify right side
    503,888.71x = 154,441,060,407.52
  5. Step 5: Solve for x
    x = 154,441,060,407.52/503,888.71
  6. Step 6: Final answer
    x = 306,498.35

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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.