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Finding the Fourth Proportional to 609,991.83, 841,787.64 and 334,349.51

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Solution

The fourth proportional to 609,991.83, 841,787.64 and 334,349.51 is: 461,401.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,991.83 : 841,787.64 = 334,349.51 : x
  2. Step 2: Convert to fraction form
    609,991.83/841,787.64 = 334,349.51/x
  3. Step 3: Cross multiply
    609,991.83x = 841,787.64 × 334,349.51
  4. Step 4: Simplify right side
    609,991.83x = 281,451,280,749.12
  5. Step 5: Solve for x
    x = 281,451,280,749.12/609,991.83
  6. Step 6: Final answer
    x = 461,401.72

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1.5x scale

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.