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Finding the Fourth Proportional to 607,481.43, 838,308.30 and 335,543.47

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Solution

The fourth proportional to 607,481.43, 838,308.30 and 335,543.47 is: 463,041.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,481.43 : 838,308.30 = 335,543.47 : x
  2. Step 2: Convert to fraction form
    607,481.43/838,308.30 = 335,543.47/x
  3. Step 3: Cross multiply
    607,481.43x = 838,308.30 × 335,543.47
  4. Step 4: Simplify right side
    607,481.43x = 281,288,875,701.40
  5. Step 5: Solve for x
    x = 281,288,875,701.40/607,481.43
  6. Step 6: Final answer
    x = 463,041.11

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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.