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Finding the Fourth Proportional to 800,607.68, 1,104,837.31 and 438,033

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Solution

The fourth proportional to 800,607.68, 1,104,837.31 and 438,033 is: 604,484.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,607.68 : 1,104,837.31 = 438,033 : x
  2. Step 2: Convert to fraction form
    800,607.68/1,104,837.31 = 438,033/x
  3. Step 3: Cross multiply
    800,607.68x = 1,104,837.31 × 438,033
  4. Step 4: Simplify right side
    800,607.68x = 483,955,200,316.15
  5. Step 5: Solve for x
    x = 483,955,200,316.15/800,607.68
  6. Step 6: Final answer
    x = 604,484.83

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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.