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Finding the Fourth Proportional to 339,920.16, 469,083.92 and 189,013.92

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Solution

The fourth proportional to 339,920.16, 469,083.92 and 189,013.92 is: 260,835.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,920.16 : 469,083.92 = 189,013.92 : x
  2. Step 2: Convert to fraction form
    339,920.16/469,083.92 = 189,013.92/x
  3. Step 3: Cross multiply
    339,920.16x = 469,083.92 × 189,013.92
  4. Step 4: Simplify right side
    339,920.16x = 88,663,390,528.17
  5. Step 5: Solve for x
    x = 88,663,390,528.17/339,920.16
  6. Step 6: Final answer
    x = 260,835.93

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1.5x scale

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.