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Finding the Fourth Proportional to 572,246.50, 858,522.84 and 198,269.50

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Solution

The fourth proportional to 572,246.50, 858,522.84 and 198,269.50 is: 297,457.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,246.50 : 858,522.84 = 198,269.50 : x
  2. Step 2: Convert to fraction form
    572,246.50/858,522.84 = 198,269.50/x
  3. Step 3: Cross multiply
    572,246.50x = 858,522.84 × 198,269.50
  4. Step 4: Simplify right side
    572,246.50x = 170,218,894,225.38
  5. Step 5: Solve for x
    x = 170,218,894,225.38/572,246.50
  6. Step 6: Final answer
    x = 297,457.29

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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.