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Finding the Fourth Proportional to 623,647.27, 860,633.30 and 337,167.28

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Solution

The fourth proportional to 623,647.27, 860,633.30 and 337,167.28 is: 465,290.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,647.27 : 860,633.30 = 337,167.28 : x
  2. Step 2: Convert to fraction form
    623,647.27/860,633.30 = 337,167.28/x
  3. Step 3: Cross multiply
    623,647.27x = 860,633.30 × 337,167.28
  4. Step 4: Simplify right side
    623,647.27x = 290,177,388,838.42
  5. Step 5: Solve for x
    x = 290,177,388,838.42/623,647.27
  6. Step 6: Final answer
    x = 465,290.88

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1.5x scale

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.