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Finding the Fourth Proportional to 474,187.52, 654,388.33 and 259,341.40

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Solution

The fourth proportional to 474,187.52, 654,388.33 and 259,341.40 is: 357,896.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,187.52 : 654,388.33 = 259,341.40 : x
  2. Step 2: Convert to fraction form
    474,187.52/654,388.33 = 259,341.40/x
  3. Step 3: Cross multiply
    474,187.52x = 654,388.33 × 259,341.40
  4. Step 4: Simplify right side
    474,187.52x = 169,709,983,361.54
  5. Step 5: Solve for x
    x = 169,709,983,361.54/474,187.52
  6. Step 6: Final answer
    x = 357,896.35

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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.