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Finding the Fourth Proportional to 250,904.80, 346,266.80 and 165,874.40

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Solution

The fourth proportional to 250,904.80, 346,266.80 and 165,874.40 is: 228,918.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,904.80 : 346,266.80 = 165,874.40 : x
  2. Step 2: Convert to fraction form
    250,904.80/346,266.80 = 165,874.40/x
  3. Step 3: Cross multiply
    250,904.80x = 346,266.80 × 165,874.40
  4. Step 4: Simplify right side
    250,904.80x = 57,436,797,689.92
  5. Step 5: Solve for x
    x = 57,436,797,689.92/250,904.80
  6. Step 6: Final answer
    x = 228,918.69

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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.