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Finding the Fourth Proportional to 293,294.70, 440,816.85 and 288,045.90

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Solution

The fourth proportional to 293,294.70, 440,816.85 and 288,045.90 is: 432,927.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,294.70 : 440,816.85 = 288,045.90 : x
  2. Step 2: Convert to fraction form
    293,294.70/440,816.85 = 288,045.90/x
  3. Step 3: Cross multiply
    293,294.70x = 440,816.85 × 288,045.90
  4. Step 4: Simplify right side
    293,294.70x = 126,975,486,293.42
  5. Step 5: Solve for x
    x = 126,975,486,293.42/293,294.70
  6. Step 6: Final answer
    x = 432,927.99

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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.