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Finding the Fourth Proportional to 384,059.91, 529,854.86 and 240,570.15

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Solution

The fourth proportional to 384,059.91, 529,854.86 and 240,570.15 is: 331,894.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,059.91 : 529,854.86 = 240,570.15 : x
  2. Step 2: Convert to fraction form
    384,059.91/529,854.86 = 240,570.15/x
  3. Step 3: Cross multiply
    384,059.91x = 529,854.86 × 240,570.15
  4. Step 4: Simplify right side
    384,059.91x = 127,467,261,945.58
  5. Step 5: Solve for x
    x = 127,467,261,945.58/384,059.91
  6. Step 6: Final answer
    x = 331,894.21

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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.