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Finding the Fourth Proportional to 572,468.40, 859,096.13 and 198,491.40

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Solution

The fourth proportional to 572,468.40, 859,096.13 and 198,491.40 is: 297,873.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,468.40 : 859,096.13 = 198,491.40 : x
  2. Step 2: Convert to fraction form
    572,468.40/859,096.13 = 198,491.40/x
  3. Step 3: Cross multiply
    572,468.40x = 859,096.13 × 198,491.40
  4. Step 4: Simplify right side
    572,468.40x = 170,523,192,585.83
  5. Step 5: Solve for x
    x = 170,523,192,585.83/572,468.40
  6. Step 6: Final answer
    x = 297,873.55

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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.