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Finding the Fourth Proportional to 472,901.96, 652,620.45 and 258,053.81

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Solution

The fourth proportional to 472,901.96, 652,620.45 and 258,053.81 is: 356,122.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,901.96 : 652,620.45 = 258,053.81 : x
  2. Step 2: Convert to fraction form
    472,901.96/652,620.45 = 258,053.81/x
  3. Step 3: Cross multiply
    472,901.96x = 652,620.45 × 258,053.81
  4. Step 4: Simplify right side
    472,901.96x = 168,411,194,629.65
  5. Step 5: Solve for x
    x = 168,411,194,629.65/472,901.96
  6. Step 6: Final answer
    x = 356,122.85

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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.