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Finding the Fourth Proportional to 403,276.68, 604,915.02 and 122,793.93

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Solution

The fourth proportional to 403,276.68, 604,915.02 and 122,793.93 is: 184,190.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,276.68 : 604,915.02 = 122,793.93 : x
  2. Step 2: Convert to fraction form
    403,276.68/604,915.02 = 122,793.93/x
  3. Step 3: Cross multiply
    403,276.68x = 604,915.02 × 122,793.93
  4. Step 4: Simplify right side
    403,276.68x = 74,279,892,621.83
  5. Step 5: Solve for x
    x = 74,279,892,621.83/403,276.68
  6. Step 6: Final answer
    x = 184,190.90

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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.