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Finding the Fourth Proportional to 623,195.61, 934,919.16 and 196,798.02

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Solution

The fourth proportional to 623,195.61, 934,919.16 and 196,798.02 is: 295,236.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,195.61 : 934,919.16 = 196,798.02 : x
  2. Step 2: Convert to fraction form
    623,195.61/934,919.16 = 196,798.02/x
  3. Step 3: Cross multiply
    623,195.61x = 934,919.16 × 196,798.02
  4. Step 4: Simplify right side
    623,195.61x = 183,990,234,873.47
  5. Step 5: Solve for x
    x = 183,990,234,873.47/623,195.61
  6. Step 6: Final answer
    x = 295,236.73

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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.