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Finding the Fourth Proportional to 360,272.57, 539,971.89 and 264,615.79

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Solution

The fourth proportional to 360,272.57, 539,971.89 and 264,615.79 is: 396,602.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,272.57 : 539,971.89 = 264,615.79 : x
  2. Step 2: Convert to fraction form
    360,272.57/539,971.89 = 264,615.79/x
  3. Step 3: Cross multiply
    360,272.57x = 539,971.89 × 264,615.79
  4. Step 4: Simplify right side
    360,272.57x = 142,885,088,250.14
  5. Step 5: Solve for x
    x = 142,885,088,250.14/360,272.57
  6. Step 6: Final answer
    x = 396,602.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.