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Finding the Fourth Proportional to 893,002, 1,232,343.24 and 490,619.92

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Solution

The fourth proportional to 893,002, 1,232,343.24 and 490,619.92 is: 677,055.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,002 : 1,232,343.24 = 490,619.92 : x
  2. Step 2: Convert to fraction form
    893,002/1,232,343.24 = 490,619.92/x
  3. Step 3: Cross multiply
    893,002x = 1,232,343.24 × 490,619.92
  4. Step 4: Simplify right side
    893,002x = 604,612,141,821.34
  5. Step 5: Solve for x
    x = 604,612,141,821.34/893,002
  6. Step 6: Final answer
    x = 677,055.75

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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.