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Finding the Fourth Proportional to 540,463.43, 745,839.69 and 295,449.26

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Solution

The fourth proportional to 540,463.43, 745,839.69 and 295,449.26 is: 407,720.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,463.43 : 745,839.69 = 295,449.26 : x
  2. Step 2: Convert to fraction form
    540,463.43/745,839.69 = 295,449.26/x
  3. Step 3: Cross multiply
    540,463.43x = 745,839.69 × 295,449.26
  4. Step 4: Simplify right side
    540,463.43x = 220,357,783,773.84
  5. Step 5: Solve for x
    x = 220,357,783,773.84/540,463.43
  6. Step 6: Final answer
    x = 407,720.07

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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.