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Finding the Fourth Proportional to 351,252.40, 526,901.24 and 123,520.08

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Solution

The fourth proportional to 351,252.40, 526,901.24 and 123,520.08 is: 185,288.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,252.40 : 526,901.24 = 123,520.08 : x
  2. Step 2: Convert to fraction form
    351,252.40/526,901.24 = 123,520.08/x
  3. Step 3: Cross multiply
    351,252.40x = 526,901.24 × 123,520.08
  4. Step 4: Simplify right side
    351,252.40x = 65,082,883,316.90
  5. Step 5: Solve for x
    x = 65,082,883,316.90/351,252.40
  6. Step 6: Final answer
    x = 185,288.08

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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.