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Finding the Fourth Proportional to 508,416.33, 701,614.27 and 278,975.13

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Solution

The fourth proportional to 508,416.33, 701,614.27 and 278,975.13 is: 384,985.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,416.33 : 701,614.27 = 278,975.13 : x
  2. Step 2: Convert to fraction form
    508,416.33/701,614.27 = 278,975.13/x
  3. Step 3: Cross multiply
    508,416.33x = 701,614.27 × 278,975.13
  4. Step 4: Simplify right side
    508,416.33x = 195,732,932,183.11
  5. Step 5: Solve for x
    x = 195,732,932,183.11/508,416.33
  6. Step 6: Final answer
    x = 384,985.53

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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.