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Finding the Fourth Proportional to 345,832.26, 477,248.52 and 186,856.26

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Solution

The fourth proportional to 345,832.26, 477,248.52 and 186,856.26 is: 257,861.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,832.26 : 477,248.52 = 186,856.26 : x
  2. Step 2: Convert to fraction form
    345,832.26/477,248.52 = 186,856.26/x
  3. Step 3: Cross multiply
    345,832.26x = 477,248.52 × 186,856.26
  4. Step 4: Simplify right side
    345,832.26x = 89,176,873,537.74
  5. Step 5: Solve for x
    x = 89,176,873,537.74/345,832.26
  6. Step 6: Final answer
    x = 257,861.64

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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.