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Finding the Fourth Proportional to 673,624.96, 928,023.38 and 469,306.31

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Solution

The fourth proportional to 673,624.96, 928,023.38 and 469,306.31 is: 646,542.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,624.96 : 928,023.38 = 469,306.31 : x
  2. Step 2: Convert to fraction form
    673,624.96/928,023.38 = 469,306.31/x
  3. Step 3: Cross multiply
    673,624.96x = 928,023.38 × 469,306.31
  4. Step 4: Simplify right side
    673,624.96x = 435,527,222,834.78
  5. Step 5: Solve for x
    x = 435,527,222,834.78/673,624.96
  6. Step 6: Final answer
    x = 646,542.59

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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.