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Finding the Fourth Proportional to 506,789.26, 699,065.12 and 334,707.56

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Solution

The fourth proportional to 506,789.26, 699,065.12 and 334,707.56 is: 461,695.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,789.26 : 699,065.12 = 334,707.56 : x
  2. Step 2: Convert to fraction form
    506,789.26/699,065.12 = 334,707.56/x
  3. Step 3: Cross multiply
    506,789.26x = 699,065.12 × 334,707.56
  4. Step 4: Simplify right side
    506,789.26x = 233,982,378,676.52
  5. Step 5: Solve for x
    x = 233,982,378,676.52/506,789.26
  6. Step 6: Final answer
    x = 461,695.62

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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.