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Finding the Fourth Proportional to 448,092.04, 672,138.06 and 258,840.40

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Solution

The fourth proportional to 448,092.04, 672,138.06 and 258,840.40 is: 388,260.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,092.04 : 672,138.06 = 258,840.40 : x
  2. Step 2: Convert to fraction form
    448,092.04/672,138.06 = 258,840.40/x
  3. Step 3: Cross multiply
    448,092.04x = 672,138.06 × 258,840.40
  4. Step 4: Simplify right side
    448,092.04x = 173,976,484,305.62
  5. Step 5: Solve for x
    x = 173,976,484,305.62/448,092.04
  6. Step 6: Final answer
    x = 388,260.60

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Similar ratio
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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.