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Finding the Fourth Proportional to 384,059.66, 529,854.51 and 240,569.90

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Solution

The fourth proportional to 384,059.66, 529,854.51 and 240,569.90 is: 331,893.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,059.66 : 529,854.51 = 240,569.90 : x
  2. Step 2: Convert to fraction form
    384,059.66/529,854.51 = 240,569.90/x
  3. Step 3: Cross multiply
    384,059.66x = 529,854.51 × 240,569.90
  4. Step 4: Simplify right side
    384,059.66x = 127,467,046,485.25
  5. Step 5: Solve for x
    x = 127,467,046,485.25/384,059.66
  6. Step 6: Final answer
    x = 331,893.87

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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.