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Finding the Fourth Proportional to 342,330.14, 472,412.85 and 191,427.14

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Solution

The fourth proportional to 342,330.14, 472,412.85 and 191,427.14 is: 264,167.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,330.14 : 472,412.85 = 191,427.14 : x
  2. Step 2: Convert to fraction form
    342,330.14/472,412.85 = 191,427.14/x
  3. Step 3: Cross multiply
    342,330.14x = 472,412.85 × 191,427.14
  4. Step 4: Simplify right side
    342,330.14x = 90,432,640,774.75
  5. Step 5: Solve for x
    x = 90,432,640,774.75/342,330.14
  6. Step 6: Final answer
    x = 264,167.92

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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.