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Finding the Fourth Proportional to 294,036,350.80, 440,382,679.80 and 173,103,998.80

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Solution

The fourth proportional to 294,036,350.80, 440,382,679.80 and 173,103,998.80 is: 259,260,471.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,036,350.80 : 440,382,679.80 = 173,103,998.80 : x
  2. Step 2: Convert to fraction form
    294,036,350.80/440,382,679.80 = 173,103,998.80/x
  3. Step 3: Cross multiply
    294,036,350.80x = 440,382,679.80 × 173,103,998.80
  4. Step 4: Simplify right side
    294,036,350.80x = 76,232,002,875,639,984
  5. Step 5: Solve for x
    x = 76,232,002,875,639,984/294,036,350.80
  6. Step 6: Final answer
    x = 259,260,471.26

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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.