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Finding the Fourth Proportional to 568,527.04, 784,568.48 and 313,878.72

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Solution

The fourth proportional to 568,527.04, 784,568.48 and 313,878.72 is: 433,153.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,527.04 : 784,568.48 = 313,878.72 : x
  2. Step 2: Convert to fraction form
    568,527.04/784,568.48 = 313,878.72/x
  3. Step 3: Cross multiply
    568,527.04x = 784,568.48 × 313,878.72
  4. Step 4: Simplify right side
    568,527.04x = 246,259,350,254.75
  5. Step 5: Solve for x
    x = 246,259,350,254.75/568,527.04
  6. Step 6: Final answer
    x = 433,153.28

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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.