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Finding the Fourth Proportional to 559,196.16, 838,926.72 and 243,709.44

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Solution

The fourth proportional to 559,196.16, 838,926.72 and 243,709.44 is: 365,621.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,196.16 : 838,926.72 = 243,709.44 : x
  2. Step 2: Convert to fraction form
    559,196.16/838,926.72 = 243,709.44/x
  3. Step 3: Cross multiply
    559,196.16x = 838,926.72 × 243,709.44
  4. Step 4: Simplify right side
    559,196.16x = 204,454,361,132.24
  5. Step 5: Solve for x
    x = 204,454,361,132.24/559,196.16
  6. Step 6: Final answer
    x = 365,621.90

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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.