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Finding the Fourth Proportional to 377,963.66, 521,570.16 and 234,720.63

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Solution

The fourth proportional to 377,963.66, 521,570.16 and 234,720.63 is: 323,902.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,963.66 : 521,570.16 = 234,720.63 : x
  2. Step 2: Convert to fraction form
    377,963.66/521,570.16 = 234,720.63/x
  3. Step 3: Cross multiply
    377,963.66x = 521,570.16 × 234,720.63
  4. Step 4: Simplify right side
    377,963.66x = 122,423,276,544.40
  5. Step 5: Solve for x
    x = 122,423,276,544.40/377,963.66
  6. Step 6: Final answer
    x = 323,902.24

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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.