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Finding the Fourth Proportional to 568,534.04, 784,578.14 and 313,885.72

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Solution

The fourth proportional to 568,534.04, 784,578.14 and 313,885.72 is: 433,162.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,534.04 : 784,578.14 = 313,885.72 : x
  2. Step 2: Convert to fraction form
    568,534.04/784,578.14 = 313,885.72/x
  3. Step 3: Cross multiply
    568,534.04x = 784,578.14 × 313,885.72
  4. Step 4: Simplify right side
    568,534.04x = 246,267,874,370.16
  5. Step 5: Solve for x
    x = 246,267,874,370.16/568,534.04
  6. Step 6: Final answer
    x = 433,162.94

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1.5x scale

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.