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Finding the Fourth Proportional to 611,893.34, 917,580.44 and 291,674.75

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Solution

The fourth proportional to 611,893.34, 917,580.44 and 291,674.75 is: 437,388.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,893.34 : 917,580.44 = 291,674.75 : x
  2. Step 2: Convert to fraction form
    611,893.34/917,580.44 = 291,674.75/x
  3. Step 3: Cross multiply
    611,893.34x = 917,580.44 × 291,674.75
  4. Step 4: Simplify right side
    611,893.34x = 267,635,039,395.61
  5. Step 5: Solve for x
    x = 267,635,039,395.61/611,893.34
  6. Step 6: Final answer
    x = 437,388.39

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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.