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Finding the Fourth Proportional to 472,911.40, 652,605.42 and 258,054.04

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Solution

The fourth proportional to 472,911.40, 652,605.42 and 258,054.04 is: 356,107.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,911.40 : 652,605.42 = 258,054.04 : x
  2. Step 2: Convert to fraction form
    472,911.40/652,605.42 = 258,054.04/x
  3. Step 3: Cross multiply
    472,911.40x = 652,605.42 × 258,054.04
  4. Step 4: Simplify right side
    472,911.40x = 168,407,465,156.90
  5. Step 5: Solve for x
    x = 168,407,465,156.90/472,911.40
  6. Step 6: Final answer
    x = 356,107.86

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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.