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Finding the Fourth Proportional to 364,670.77, 502,643.32 and 243,767.94

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Solution

The fourth proportional to 364,670.77, 502,643.32 and 243,767.94 is: 335,997.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,670.77 : 502,643.32 = 243,767.94 : x
  2. Step 2: Convert to fraction form
    364,670.77/502,643.32 = 243,767.94/x
  3. Step 3: Cross multiply
    364,670.77x = 502,643.32 × 243,767.94
  4. Step 4: Simplify right side
    364,670.77x = 122,528,322,939.11
  5. Step 5: Solve for x
    x = 122,528,322,939.11/364,670.77
  6. Step 6: Final answer
    x = 335,997.11

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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.