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Finding the Fourth Proportional to 401,520.95, 602,253.24 and 188,335.62

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Solution

The fourth proportional to 401,520.95, 602,253.24 and 188,335.62 is: 282,490.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,520.95 : 602,253.24 = 188,335.62 : x
  2. Step 2: Convert to fraction form
    401,520.95/602,253.24 = 188,335.62/x
  3. Step 3: Cross multiply
    401,520.95x = 602,253.24 × 188,335.62
  4. Step 4: Simplify right side
    401,520.95x = 113,425,737,352.41
  5. Step 5: Solve for x
    x = 113,425,737,352.41/401,520.95
  6. Step 6: Final answer
    x = 282,490.21

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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.