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Finding the Fourth Proportional to 472,603.86, 652,167.31 and 268,626.42

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Solution

The fourth proportional to 472,603.86, 652,167.31 and 268,626.42 is: 370,689.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,603.86 : 652,167.31 = 268,626.42 : x
  2. Step 2: Convert to fraction form
    472,603.86/652,167.31 = 268,626.42/x
  3. Step 3: Cross multiply
    472,603.86x = 652,167.31 × 268,626.42
  4. Step 4: Simplify right side
    472,603.86x = 175,189,369,726.33
  5. Step 5: Solve for x
    x = 175,189,369,726.33/472,603.86
  6. Step 6: Final answer
    x = 370,689.67

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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.