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Finding the Fourth Proportional to 635,653.34, 876,954.40 and 359,947.91

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Solution

The fourth proportional to 635,653.34, 876,954.40 and 359,947.91 is: 496,588.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,653.34 : 876,954.40 = 359,947.91 : x
  2. Step 2: Convert to fraction form
    635,653.34/876,954.40 = 359,947.91/x
  3. Step 3: Cross multiply
    635,653.34x = 876,954.40 × 359,947.91
  4. Step 4: Simplify right side
    635,653.34x = 315,657,899,804.95
  5. Step 5: Solve for x
    x = 315,657,899,804.95/635,653.34
  6. Step 6: Final answer
    x = 496,588.12

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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.