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Finding the Fourth Proportional to 350,978.77, 526,468.16 and 114,321.44

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Solution

The fourth proportional to 350,978.77, 526,468.16 and 114,321.44 is: 171,482.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,978.77 : 526,468.16 = 114,321.44 : x
  2. Step 2: Convert to fraction form
    350,978.77/526,468.16 = 114,321.44/x
  3. Step 3: Cross multiply
    350,978.77x = 526,468.16 × 114,321.44
  4. Step 4: Simplify right side
    350,978.77x = 60,186,598,165.35
  5. Step 5: Solve for x
    x = 60,186,598,165.35/350,978.77
  6. Step 6: Final answer
    x = 171,482.16

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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.