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Finding the Fourth Proportional to 522,317.42, 783,476.39 and 344,782.94

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Solution

The fourth proportional to 522,317.42, 783,476.39 and 344,782.94 is: 517,174.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,317.42 : 783,476.39 = 344,782.94 : x
  2. Step 2: Convert to fraction form
    522,317.42/783,476.39 = 344,782.94/x
  3. Step 3: Cross multiply
    522,317.42x = 783,476.39 × 344,782.94
  4. Step 4: Simplify right side
    522,317.42x = 270,129,287,523.49
  5. Step 5: Solve for x
    x = 270,129,287,523.49/522,317.42
  6. Step 6: Final answer
    x = 517,174.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.