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Finding the Fourth Proportional to 293,478.80, 440,218.20 and 175,089.20

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Solution

The fourth proportional to 293,478.80, 440,218.20 and 175,089.20 is: 262,633.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,478.80 : 440,218.20 = 175,089.20 : x
  2. Step 2: Convert to fraction form
    293,478.80/440,218.20 = 175,089.20/x
  3. Step 3: Cross multiply
    293,478.80x = 440,218.20 × 175,089.20
  4. Step 4: Simplify right side
    293,478.80x = 77,077,452,463.44
  5. Step 5: Solve for x
    x = 77,077,452,463.44/293,478.80
  6. Step 6: Final answer
    x = 262,633.80

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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.