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Finding the Fourth Proportional to 665,832.25, 918,851.75 and 364,026.25

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Solution

The fourth proportional to 665,832.25, 918,851.75 and 364,026.25 is: 502,358.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    665,832.25 : 918,851.75 = 364,026.25 : x
  2. Step 2: Convert to fraction form
    665,832.25/918,851.75 = 364,026.25/x
  3. Step 3: Cross multiply
    665,832.25x = 918,851.75 × 364,026.25
  4. Step 4: Simplify right side
    665,832.25x = 334,486,156,858.44
  5. Step 5: Solve for x
    x = 334,486,156,858.44/665,832.25
  6. Step 6: Final answer
    x = 502,358.00

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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.