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Finding the Fourth Proportional to 373,287.60, 559,931.40 and 268,311.60

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Solution

The fourth proportional to 373,287.60, 559,931.40 and 268,311.60 is: 402,467.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,287.60 : 559,931.40 = 268,311.60 : x
  2. Step 2: Convert to fraction form
    373,287.60/559,931.40 = 268,311.60/x
  3. Step 3: Cross multiply
    373,287.60x = 559,931.40 × 268,311.60
  4. Step 4: Simplify right side
    373,287.60x = 150,236,089,824.24
  5. Step 5: Solve for x
    x = 150,236,089,824.24/373,287.60
  6. Step 6: Final answer
    x = 402,467.40

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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.