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Finding the Fourth Proportional to 403,337.60, 604,520.40 and 234,533.60

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Solution

The fourth proportional to 403,337.60, 604,520.40 and 234,533.60 is: 351,517.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,337.60 : 604,520.40 = 234,533.60 : x
  2. Step 2: Convert to fraction form
    403,337.60/604,520.40 = 234,533.60/x
  3. Step 3: Cross multiply
    403,337.60x = 604,520.40 × 234,533.60
  4. Step 4: Simplify right side
    403,337.60x = 141,780,345,685.44
  5. Step 5: Solve for x
    x = 141,780,345,685.44/403,337.60
  6. Step 6: Final answer
    x = 351,517.80

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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.