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Finding the Fourth Proportional to 472,030.80, 652,231.08 and 377,319.12

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Solution

The fourth proportional to 472,030.80, 652,231.08 and 377,319.12 is: 521,362.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,030.80 : 652,231.08 = 377,319.12 : x
  2. Step 2: Convert to fraction form
    472,030.80/652,231.08 = 377,319.12/x
  3. Step 3: Cross multiply
    472,030.80x = 652,231.08 × 377,319.12
  4. Step 4: Simplify right side
    472,030.80x = 246,099,257,142.25
  5. Step 5: Solve for x
    x = 246,099,257,142.25/472,030.80
  6. Step 6: Final answer
    x = 521,362.71

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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.