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Finding the Fourth Proportional to 260,441.86, 392,614.85 and 243,081.81

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Solution

The fourth proportional to 260,441.86, 392,614.85 and 243,081.81 is: 366,444.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,441.86 : 392,614.85 = 243,081.81 : x
  2. Step 2: Convert to fraction form
    260,441.86/392,614.85 = 243,081.81/x
  3. Step 3: Cross multiply
    260,441.86x = 392,614.85 × 243,081.81
  4. Step 4: Simplify right side
    260,441.86x = 95,437,528,370.88
  5. Step 5: Solve for x
    x = 95,437,528,370.88/260,441.86
  6. Step 6: Final answer
    x = 366,444.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.