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Finding the Fourth Proportional to 438,086.67, 604,587.81 and 247,095.96

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Solution

The fourth proportional to 438,086.67, 604,587.81 and 247,095.96 is: 341,008.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,086.67 : 604,587.81 = 247,095.96 : x
  2. Step 2: Convert to fraction form
    438,086.67/604,587.81 = 247,095.96/x
  3. Step 3: Cross multiply
    438,086.67x = 604,587.81 × 247,095.96
  4. Step 4: Simplify right side
    438,086.67x = 149,391,205,316.25
  5. Step 5: Solve for x
    x = 149,391,205,316.25/438,086.67
  6. Step 6: Final answer
    x = 341,008.33

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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.