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Finding the Fourth Proportional to 363,580.08, 501,734.52 and 212,702.64

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Solution

The fourth proportional to 363,580.08, 501,734.52 and 212,702.64 is: 293,526.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,580.08 : 501,734.52 = 212,702.64 : x
  2. Step 2: Convert to fraction form
    363,580.08/501,734.52 = 212,702.64/x
  3. Step 3: Cross multiply
    363,580.08x = 501,734.52 × 212,702.64
  4. Step 4: Simplify right side
    363,580.08x = 106,720,256,983.13
  5. Step 5: Solve for x
    x = 106,720,256,983.13/363,580.08
  6. Step 6: Final answer
    x = 293,526.14

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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.