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Finding the Fourth Proportional to 623,680.56, 860,679.36 and 337,200.66

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Solution

The fourth proportional to 623,680.56, 860,679.36 and 337,200.66 is: 465,337.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,680.56 : 860,679.36 = 337,200.66 : x
  2. Step 2: Convert to fraction form
    623,680.56/860,679.36 = 337,200.66/x
  3. Step 3: Cross multiply
    623,680.56x = 860,679.36 × 337,200.66
  4. Step 4: Simplify right side
    623,680.56x = 290,221,648,240.38
  5. Step 5: Solve for x
    x = 290,221,648,240.38/623,680.56
  6. Step 6: Final answer
    x = 465,337.01

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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.