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Finding the Fourth Proportional to 339,823.50, 468,460.71 and 237,530.40

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Solution

The fourth proportional to 339,823.50, 468,460.71 and 237,530.40 is: 327,445.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,823.50 : 468,460.71 = 237,530.40 : x
  2. Step 2: Convert to fraction form
    339,823.50/468,460.71 = 237,530.40/x
  3. Step 3: Cross multiply
    339,823.50x = 468,460.71 × 237,530.40
  4. Step 4: Simplify right side
    339,823.50x = 111,273,659,830.58
  5. Step 5: Solve for x
    x = 111,273,659,830.58/339,823.50
  6. Step 6: Final answer
    x = 327,445.45

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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.