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Finding the Fourth Proportional to 568,603.17, 784,343.40 and 367,399.17

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Solution

The fourth proportional to 568,603.17, 784,343.40 and 367,399.17 is: 506,798.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,603.17 : 784,343.40 = 367,399.17 : x
  2. Step 2: Convert to fraction form
    568,603.17/784,343.40 = 367,399.17/x
  3. Step 3: Cross multiply
    568,603.17x = 784,343.40 × 367,399.17
  4. Step 4: Simplify right side
    568,603.17x = 288,167,114,154.98
  5. Step 5: Solve for x
    x = 288,167,114,154.98/568,603.17
  6. Step 6: Final answer
    x = 506,798.29

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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.