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Finding the Fourth Proportional to 568,547.04, 784,596.08 and 313,898.72

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Solution

The fourth proportional to 568,547.04, 784,596.08 and 313,898.72 is: 433,180.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,547.04 : 784,596.08 = 313,898.72 : x
  2. Step 2: Convert to fraction form
    568,547.04/784,596.08 = 313,898.72/x
  3. Step 3: Cross multiply
    568,547.04x = 784,596.08 × 313,898.72
  4. Step 4: Simplify right side
    568,547.04x = 246,283,705,229.02
  5. Step 5: Solve for x
    x = 246,283,705,229.02/568,547.04
  6. Step 6: Final answer
    x = 433,180.88

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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.