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Finding the Fourth Proportional to 338,241.50, 506,921.60 and 188,475.74

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Solution

The fourth proportional to 338,241.50, 506,921.60 and 188,475.74 is: 282,468.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,241.50 : 506,921.60 = 188,475.74 : x
  2. Step 2: Convert to fraction form
    338,241.50/506,921.60 = 188,475.74/x
  3. Step 3: Cross multiply
    338,241.50x = 506,921.60 × 188,475.74
  4. Step 4: Simplify right side
    338,241.50x = 95,542,423,681.98
  5. Step 5: Solve for x
    x = 95,542,423,681.98/338,241.50
  6. Step 6: Final answer
    x = 282,468.07

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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.