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Finding the Fourth Proportional to 504,726.78, 754,788 and 376,733.82

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Solution

The fourth proportional to 504,726.78, 754,788 and 376,733.82 is: 563,382.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,726.78 : 754,788 = 376,733.82 : x
  2. Step 2: Convert to fraction form
    504,726.78/754,788 = 376,733.82/x
  3. Step 3: Cross multiply
    504,726.78x = 754,788 × 376,733.82
  4. Step 4: Simplify right side
    504,726.78x = 284,354,166,530.16
  5. Step 5: Solve for x
    x = 284,354,166,530.16/504,726.78
  6. Step 6: Final answer
    x = 563,382.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.