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Finding the Fourth Proportional to 536,917.59, 740,902.44 and 316,120.02

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Solution

The fourth proportional to 536,917.59, 740,902.44 and 316,120.02 is: 436,219.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,917.59 : 740,902.44 = 316,120.02 : x
  2. Step 2: Convert to fraction form
    536,917.59/740,902.44 = 316,120.02/x
  3. Step 3: Cross multiply
    536,917.59x = 740,902.44 × 316,120.02
  4. Step 4: Simplify right side
    536,917.59x = 234,214,097,246.45
  5. Step 5: Solve for x
    x = 234,214,097,246.45/536,917.59
  6. Step 6: Final answer
    x = 436,219.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.