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Finding the Fourth Proportional to 341,408.01, 471,143.10 and 188,446.25

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Solution

The fourth proportional to 341,408.01, 471,143.10 and 188,446.25 is: 260,055.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,408.01 : 471,143.10 = 188,446.25 : x
  2. Step 2: Convert to fraction form
    341,408.01/471,143.10 = 188,446.25/x
  3. Step 3: Cross multiply
    341,408.01x = 471,143.10 × 188,446.25
  4. Step 4: Simplify right side
    341,408.01x = 88,785,152,292.91
  5. Step 5: Solve for x
    x = 88,785,152,292.91/341,408.01
  6. Step 6: Final answer
    x = 260,055.85

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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.