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Finding the Fourth Proportional to 506,842.18, 699,161.42 and 325,350.34

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Solution

The fourth proportional to 506,842.18, 699,161.42 and 325,350.34 is: 448,803.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,842.18 : 699,161.42 = 325,350.34 : x
  2. Step 2: Convert to fraction form
    506,842.18/699,161.42 = 325,350.34/x
  3. Step 3: Cross multiply
    506,842.18x = 699,161.42 × 325,350.34
  4. Step 4: Simplify right side
    506,842.18x = 227,472,405,711.88
  5. Step 5: Solve for x
    x = 227,472,405,711.88/506,842.18
  6. Step 6: Final answer
    x = 448,803.23

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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.