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Finding the Fourth Proportional to 322,215.82, 483,460.41 and 172,417.25

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Solution

The fourth proportional to 322,215.82, 483,460.41 and 172,417.25 is: 258,699.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,215.82 : 483,460.41 = 172,417.25 : x
  2. Step 2: Convert to fraction form
    322,215.82/483,460.41 = 172,417.25/x
  3. Step 3: Cross multiply
    322,215.82x = 483,460.41 × 172,417.25
  4. Step 4: Simplify right side
    322,215.82x = 83,356,914,376.07
  5. Step 5: Solve for x
    x = 83,356,914,376.07/322,215.82
  6. Step 6: Final answer
    x = 258,699.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.