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Finding the Fourth Proportional to 576,094.32, 863,910.40 and 238,905.90

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Solution

The fourth proportional to 576,094.32, 863,910.40 and 238,905.90 is: 358,263.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,094.32 : 863,910.40 = 238,905.90 : x
  2. Step 2: Convert to fraction form
    576,094.32/863,910.40 = 238,905.90/x
  3. Step 3: Cross multiply
    576,094.32x = 863,910.40 × 238,905.90
  4. Step 4: Simplify right side
    576,094.32x = 206,393,291,631.36
  5. Step 5: Solve for x
    x = 206,393,291,631.36/576,094.32
  6. Step 6: Final answer
    x = 358,263.02

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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.