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Finding the Fourth Proportional to 288,779.22, 433,365.66 and 173,470.86

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Solution

The fourth proportional to 288,779.22, 433,365.66 and 173,470.86 is: 260,324.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,779.22 : 433,365.66 = 173,470.86 : x
  2. Step 2: Convert to fraction form
    288,779.22/433,365.66 = 173,470.86/x
  3. Step 3: Cross multiply
    288,779.22x = 433,365.66 × 173,470.86
  4. Step 4: Simplify right side
    288,779.22x = 75,176,313,734.67
  5. Step 5: Solve for x
    x = 75,176,313,734.67/288,779.22
  6. Step 6: Final answer
    x = 260,324.53

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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.