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Finding the Fourth Proportional to 572,476.75, 859,108.80 and 198,499.75

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Solution

The fourth proportional to 572,476.75, 859,108.80 and 198,499.75 is: 297,886.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,476.75 : 859,108.80 = 198,499.75 : x
  2. Step 2: Convert to fraction form
    572,476.75/859,108.80 = 198,499.75/x
  3. Step 3: Cross multiply
    572,476.75x = 859,108.80 × 198,499.75
  4. Step 4: Simplify right side
    572,476.75x = 170,532,882,022.80
  5. Step 5: Solve for x
    x = 170,532,882,022.80/572,476.75
  6. Step 6: Final answer
    x = 297,886.13

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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.