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Finding the Fourth Proportional to 343,062.60, 473,252.22 and 234,085.20

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Solution

The fourth proportional to 343,062.60, 473,252.22 and 234,085.20 is: 322,918.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,062.60 : 473,252.22 = 234,085.20 : x
  2. Step 2: Convert to fraction form
    343,062.60/473,252.22 = 234,085.20/x
  3. Step 3: Cross multiply
    343,062.60x = 473,252.22 × 234,085.20
  4. Step 4: Simplify right side
    343,062.60x = 110,781,340,569.14
  5. Step 5: Solve for x
    x = 110,781,340,569.14/343,062.60
  6. Step 6: Final answer
    x = 322,918.73

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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.