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Finding the Fourth Proportional to 700,626.20, 966,808.50 and 458,525.30

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Solution

The fourth proportional to 700,626.20, 966,808.50 and 458,525.30 is: 632,728.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    700,626.20 : 966,808.50 = 458,525.30 : x
  2. Step 2: Convert to fraction form
    700,626.20/966,808.50 = 458,525.30/x
  3. Step 3: Cross multiply
    700,626.20x = 966,808.50 × 458,525.30
  4. Step 4: Simplify right side
    700,626.20x = 443,306,157,505.05
  5. Step 5: Solve for x
    x = 443,306,157,505.05/700,626.20
  6. Step 6: Final answer
    x = 632,728.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.