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Finding the Fourth Proportional to 578,953.24, 798,999.79 and 364,277.32

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Solution

The fourth proportional to 578,953.24, 798,999.79 and 364,277.32 is: 502,730.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,953.24 : 798,999.79 = 364,277.32 : x
  2. Step 2: Convert to fraction form
    578,953.24/798,999.79 = 364,277.32/x
  3. Step 3: Cross multiply
    578,953.24x = 798,999.79 × 364,277.32
  4. Step 4: Simplify right side
    578,953.24x = 291,057,498,186.76
  5. Step 5: Solve for x
    x = 291,057,498,186.76/578,953.24
  6. Step 6: Final answer
    x = 502,730.58

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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.