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Finding the Fourth Proportional to 256,290.44, 353,673.58 and 141,566.81

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Solution

The fourth proportional to 256,290.44, 353,673.58 and 141,566.81 is: 195,358.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,290.44 : 353,673.58 = 141,566.81 : x
  2. Step 2: Convert to fraction form
    256,290.44/353,673.58 = 141,566.81/x
  3. Step 3: Cross multiply
    256,290.44x = 353,673.58 × 141,566.81
  4. Step 4: Simplify right side
    256,290.44x = 50,068,438,025.68
  5. Step 5: Solve for x
    x = 50,068,438,025.68/256,290.44
  6. Step 6: Final answer
    x = 195,358.20

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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.