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Finding the Fourth Proportional to 376,837.60, 565,256.40 and 293,893.60

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Solution

The fourth proportional to 376,837.60, 565,256.40 and 293,893.60 is: 440,840.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,837.60 : 565,256.40 = 293,893.60 : x
  2. Step 2: Convert to fraction form
    376,837.60/565,256.40 = 293,893.60/x
  3. Step 3: Cross multiply
    376,837.60x = 565,256.40 × 293,893.60
  4. Step 4: Simplify right side
    376,837.60x = 166,125,238,319.04
  5. Step 5: Solve for x
    x = 166,125,238,319.04/376,837.60
  6. Step 6: Final answer
    x = 440,840.40

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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.