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Finding the Fourth Proportional to 798,842, 1,102,410.80 and 436,276.56

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Solution

The fourth proportional to 798,842, 1,102,410.80 and 436,276.56 is: 602,066.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    798,842 : 1,102,410.80 = 436,276.56 : x
  2. Step 2: Convert to fraction form
    798,842/1,102,410.80 = 436,276.56/x
  3. Step 3: Cross multiply
    798,842x = 1,102,410.80 × 436,276.56
  4. Step 4: Simplify right side
    798,842x = 480,955,991,530.85
  5. Step 5: Solve for x
    x = 480,955,991,530.85/798,842
  6. Step 6: Final answer
    x = 602,066.48

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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.