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Finding the Fourth Proportional to 578,952.74, 798,999.10 and 364,276.82

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Solution

The fourth proportional to 578,952.74, 798,999.10 and 364,276.82 is: 502,729.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,952.74 : 798,999.10 = 364,276.82 : x
  2. Step 2: Convert to fraction form
    578,952.74/798,999.10 = 364,276.82/x
  3. Step 3: Cross multiply
    578,952.74x = 798,999.10 × 364,276.82
  4. Step 4: Simplify right side
    578,952.74x = 291,056,846,425.18
  5. Step 5: Solve for x
    x = 291,056,846,425.18/578,952.74
  6. Step 6: Final answer
    x = 502,729.89

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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.