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Finding the Fourth Proportional to 552,098.25, 761,888.30 and 307,081.35

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Solution

The fourth proportional to 552,098.25, 761,888.30 and 307,081.35 is: 423,768.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,098.25 : 761,888.30 = 307,081.35 : x
  2. Step 2: Convert to fraction form
    552,098.25/761,888.30 = 307,081.35/x
  3. Step 3: Cross multiply
    552,098.25x = 761,888.30 × 307,081.35
  4. Step 4: Simplify right side
    552,098.25x = 233,961,686,177.80
  5. Step 5: Solve for x
    x = 233,961,686,177.80/552,098.25
  6. Step 6: Final answer
    x = 423,768.21

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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.