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Finding the Fourth Proportional to 293,613.20, 440,419.80 and 233,478.80

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Solution

The fourth proportional to 293,613.20, 440,419.80 and 233,478.80 is: 350,218.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,613.20 : 440,419.80 = 233,478.80 : x
  2. Step 2: Convert to fraction form
    293,613.20/440,419.80 = 233,478.80/x
  3. Step 3: Cross multiply
    293,613.20x = 440,419.80 × 233,478.80
  4. Step 4: Simplify right side
    293,613.20x = 102,828,686,400.24
  5. Step 5: Solve for x
    x = 102,828,686,400.24/293,613.20
  6. Step 6: Final answer
    x = 350,218.20

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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.