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Finding the Fourth Proportional to 472,896.60, 652,623.72 and 258,040.32

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Solution

The fourth proportional to 472,896.60, 652,623.72 and 258,040.32 is: 356,110.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,896.60 : 652,623.72 = 258,040.32 : x
  2. Step 2: Convert to fraction form
    472,896.60/652,623.72 = 258,040.32/x
  3. Step 3: Cross multiply
    472,896.60x = 652,623.72 × 258,040.32
  4. Step 4: Simplify right side
    472,896.60x = 168,403,233,548.39
  5. Step 5: Solve for x
    x = 168,403,233,548.39/472,896.60
  6. Step 6: Final answer
    x = 356,110.05

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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.