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Finding the Fourth Proportional to 334,595.56, 501,816.78 and 199,697.72

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Solution

The fourth proportional to 334,595.56, 501,816.78 and 199,697.72 is: 299,500.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,595.56 : 501,816.78 = 199,697.72 : x
  2. Step 2: Convert to fraction form
    334,595.56/501,816.78 = 199,697.72/x
  3. Step 3: Cross multiply
    334,595.56x = 501,816.78 × 199,697.72
  4. Step 4: Simplify right side
    334,595.56x = 100,211,666,823.74
  5. Step 5: Solve for x
    x = 100,211,666,823.74/334,595.56
  6. Step 6: Final answer
    x = 299,500.89

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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.