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Finding the Fourth Proportional to 433,837.92, 598,730.89 and 319,638.25

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Solution

The fourth proportional to 433,837.92, 598,730.89 and 319,638.25 is: 441,126.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,837.92 : 598,730.89 = 319,638.25 : x
  2. Step 2: Convert to fraction form
    433,837.92/598,730.89 = 319,638.25/x
  3. Step 3: Cross multiply
    433,837.92x = 598,730.89 × 319,638.25
  4. Step 4: Simplify right side
    433,837.92x = 191,377,294,449.18
  5. Step 5: Solve for x
    x = 191,377,294,449.18/433,837.92
  6. Step 6: Final answer
    x = 441,126.25

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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.