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Finding the Fourth Proportional to 623,972.22, 861,081.72 and 337,492.32

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Solution

The fourth proportional to 623,972.22, 861,081.72 and 337,492.32 is: 465,739.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,972.22 : 861,081.72 = 337,492.32 : x
  2. Step 2: Convert to fraction form
    623,972.22/861,081.72 = 337,492.32/x
  3. Step 3: Cross multiply
    623,972.22x = 861,081.72 × 337,492.32
  4. Step 4: Simplify right side
    623,972.22x = 290,608,467,392.39
  5. Step 5: Solve for x
    x = 290,608,467,392.39/623,972.22
  6. Step 6: Final answer
    x = 465,739.43

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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.