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Finding the Fourth Proportional to 800,994.60, 1,105,368.51 and 433,471.47

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Solution

The fourth proportional to 800,994.60, 1,105,368.51 and 433,471.47 is: 598,188.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,994.60 : 1,105,368.51 = 433,471.47 : x
  2. Step 2: Convert to fraction form
    800,994.60/1,105,368.51 = 433,471.47/x
  3. Step 3: Cross multiply
    800,994.60x = 1,105,368.51 × 433,471.47
  4. Step 4: Simplify right side
    800,994.60x = 479,145,712,921.41
  5. Step 5: Solve for x
    x = 479,145,712,921.41/800,994.60
  6. Step 6: Final answer
    x = 598,188.44

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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.