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Finding the Fourth Proportional to 292,809.67, 438,377.77 and 274,209.37

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Solution

The fourth proportional to 292,809.67, 438,377.77 and 274,209.37 is: 410,530.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,809.67 : 438,377.77 = 274,209.37 : x
  2. Step 2: Convert to fraction form
    292,809.67/438,377.77 = 274,209.37/x
  3. Step 3: Cross multiply
    292,809.67x = 438,377.77 × 274,209.37
  4. Step 4: Simplify right side
    292,809.67x = 120,207,292,133.71
  5. Step 5: Solve for x
    x = 120,207,292,133.71/292,809.67
  6. Step 6: Final answer
    x = 410,530.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.