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Finding the Fourth Proportional to 384,093.16, 529,900.74 and 240,603.40

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Solution

The fourth proportional to 384,093.16, 529,900.74 and 240,603.40 is: 331,940.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,093.16 : 529,900.74 = 240,603.40 : x
  2. Step 2: Convert to fraction form
    384,093.16/529,900.74 = 240,603.40/x
  3. Step 3: Cross multiply
    384,093.16x = 529,900.74 × 240,603.40
  4. Step 4: Simplify right side
    384,093.16x = 127,495,919,706.52
  5. Step 5: Solve for x
    x = 127,495,919,706.52/384,093.16
  6. Step 6: Final answer
    x = 331,940.09

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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.