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Finding the Fourth Proportional to 341,218.60, 508,325.93 and 325,865.92

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Solution

The fourth proportional to 341,218.60, 508,325.93 and 325,865.92 is: 485,454.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,218.60 : 508,325.93 = 325,865.92 : x
  2. Step 2: Convert to fraction form
    341,218.60/508,325.93 = 325,865.92/x
  3. Step 3: Cross multiply
    341,218.60x = 508,325.93 × 325,865.92
  4. Step 4: Simplify right side
    341,218.60x = 165,646,096,839.31
  5. Step 5: Solve for x
    x = 165,646,096,839.31/341,218.60
  6. Step 6: Final answer
    x = 485,454.48

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.