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Finding the Fourth Proportional to 341,115.40, 511,673.10 and 234,827.20

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Solution

The fourth proportional to 341,115.40, 511,673.10 and 234,827.20 is: 352,240.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,115.40 : 511,673.10 = 234,827.20 : x
  2. Step 2: Convert to fraction form
    341,115.40/511,673.10 = 234,827.20/x
  3. Step 3: Cross multiply
    341,115.40x = 511,673.10 × 234,827.20
  4. Step 4: Simplify right side
    341,115.40x = 120,154,761,388.32
  5. Step 5: Solve for x
    x = 120,154,761,388.32/341,115.40
  6. Step 6: Final answer
    x = 352,240.80

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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.