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Finding the Fourth Proportional to 652,270.64, 900,176.06 and 376,640.13

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Solution

The fourth proportional to 652,270.64, 900,176.06 and 376,640.13 is: 519,787.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,270.64 : 900,176.06 = 376,640.13 : x
  2. Step 2: Convert to fraction form
    652,270.64/900,176.06 = 376,640.13/x
  3. Step 3: Cross multiply
    652,270.64x = 900,176.06 × 376,640.13
  4. Step 4: Simplify right side
    652,270.64x = 339,042,427,647.47
  5. Step 5: Solve for x
    x = 339,042,427,647.47/652,270.64
  6. Step 6: Final answer
    x = 519,787.96

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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.