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Finding the Fourth Proportional to 997,624.80, 1,494,622.80 and 575,647.20

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Solution

The fourth proportional to 997,624.80, 1,494,622.80 and 575,647.20 is: 862,423.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    997,624.80 : 1,494,622.80 = 575,647.20 : x
  2. Step 2: Convert to fraction form
    997,624.80/1,494,622.80 = 575,647.20/x
  3. Step 3: Cross multiply
    997,624.80x = 1,494,622.80 × 575,647.20
  4. Step 4: Simplify right side
    997,624.80x = 860,375,429,876.16
  5. Step 5: Solve for x
    x = 860,375,429,876.16/997,624.80
  6. Step 6: Final answer
    x = 862,423.86

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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.