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Finding the Fourth Proportional to 529,218.04, 730,159.84 and 299,738.92

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Solution

The fourth proportional to 529,218.04, 730,159.84 and 299,738.92 is: 413,548.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,218.04 : 730,159.84 = 299,738.92 : x
  2. Step 2: Convert to fraction form
    529,218.04/730,159.84 = 299,738.92/x
  3. Step 3: Cross multiply
    529,218.04x = 730,159.84 × 299,738.92
  4. Step 4: Simplify right side
    529,218.04x = 218,857,321,868.97
  5. Step 5: Solve for x
    x = 218,857,321,868.97/529,218.04
  6. Step 6: Final answer
    x = 413,548.49

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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.