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Finding the Fourth Proportional to 497,167.80, 745,751.70 and 217,231.80

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Solution

The fourth proportional to 497,167.80, 745,751.70 and 217,231.80 is: 325,847.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,167.80 : 745,751.70 = 217,231.80 : x
  2. Step 2: Convert to fraction form
    497,167.80/745,751.70 = 217,231.80/x
  3. Step 3: Cross multiply
    497,167.80x = 745,751.70 × 217,231.80
  4. Step 4: Simplify right side
    497,167.80x = 162,000,984,144.06
  5. Step 5: Solve for x
    x = 162,000,984,144.06/497,167.80
  6. Step 6: Final answer
    x = 325,847.70

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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.