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Finding the Fourth Proportional to 353,253.22, 487,559.44 and 200,294.44

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Solution

The fourth proportional to 353,253.22, 487,559.44 and 200,294.44 is: 276,446.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,253.22 : 487,559.44 = 200,294.44 : x
  2. Step 2: Convert to fraction form
    353,253.22/487,559.44 = 200,294.44/x
  3. Step 3: Cross multiply
    353,253.22x = 487,559.44 × 200,294.44
  4. Step 4: Simplify right side
    353,253.22x = 97,655,445,001.51
  5. Step 5: Solve for x
    x = 97,655,445,001.51/353,253.22
  6. Step 6: Final answer
    x = 276,446.02

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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.