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Finding the Fourth Proportional to 374,426.90, 561,640.35 and 337,102.10

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Solution

The fourth proportional to 374,426.90, 561,640.35 and 337,102.10 is: 505,653.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,426.90 : 561,640.35 = 337,102.10 : x
  2. Step 2: Convert to fraction form
    374,426.90/561,640.35 = 337,102.10/x
  3. Step 3: Cross multiply
    374,426.90x = 561,640.35 × 337,102.10
  4. Step 4: Simplify right side
    374,426.90x = 189,330,141,429.74
  5. Step 5: Solve for x
    x = 189,330,141,429.74/374,426.90
  6. Step 6: Final answer
    x = 505,653.15

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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.