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Finding the Fourth Proportional to 1,260,949.83, 1,738,078.01 and 852,902.87

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Solution

The fourth proportional to 1,260,949.83, 1,738,078.01 and 852,902.87 is: 1,175,631.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,260,949.83 : 1,738,078.01 = 852,902.87 : x
  2. Step 2: Convert to fraction form
    1,260,949.83/1,738,078.01 = 852,902.87/x
  3. Step 3: Cross multiply
    1,260,949.83x = 1,738,078.01 × 852,902.87
  4. Step 4: Simplify right side
    1,260,949.83x = 1,482,411,716,515.27
  5. Step 5: Solve for x
    x = 1,482,411,716,515.27/1,260,949.83
  6. Step 6: Final answer
    x = 1,175,631.00

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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.