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Finding the Fourth Proportional to 395,872.89, 546,758.60 and 260,511.14

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Solution

The fourth proportional to 395,872.89, 546,758.60 and 260,511.14 is: 359,804.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,872.89 : 546,758.60 = 260,511.14 : x
  2. Step 2: Convert to fraction form
    395,872.89/546,758.60 = 260,511.14/x
  3. Step 3: Cross multiply
    395,872.89x = 546,758.60 × 260,511.14
  4. Step 4: Simplify right side
    395,872.89x = 142,436,702,154.46
  5. Step 5: Solve for x
    x = 142,436,702,154.46/395,872.89
  6. Step 6: Final answer
    x = 359,804.13

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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.