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Finding the Fourth Proportional to 472,936.73, 652,647.31 and 258,080.45

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Solution

The fourth proportional to 472,936.73, 652,647.31 and 258,080.45 is: 356,148.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,936.73 : 652,647.31 = 258,080.45 : x
  2. Step 2: Convert to fraction form
    472,936.73/652,647.31 = 258,080.45/x
  3. Step 3: Cross multiply
    472,936.73x = 652,647.31 × 258,080.45
  4. Step 4: Simplify right side
    472,936.73x = 168,435,507,547.65
  5. Step 5: Solve for x
    x = 168,435,507,547.65/472,936.73
  6. Step 6: Final answer
    x = 356,148.08

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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.