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Finding the Fourth Proportional to 840,994.38, 1,160,722.71 and 501,484.50

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Solution

The fourth proportional to 840,994.38, 1,160,722.71 and 501,484.50 is: 692,138.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,994.38 : 1,160,722.71 = 501,484.50 : x
  2. Step 2: Convert to fraction form
    840,994.38/1,160,722.71 = 501,484.50/x
  3. Step 3: Cross multiply
    840,994.38x = 1,160,722.71 × 501,484.50
  4. Step 4: Simplify right side
    840,994.38x = 582,084,447,863.00
  5. Step 5: Solve for x
    x = 582,084,447,863.00/840,994.38
  6. Step 6: Final answer
    x = 692,138.33

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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.