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Finding the Fourth Proportional to 1,949,857.61, 2,925,265.01 and 1,374,605.01

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Solution

The fourth proportional to 1,949,857.61, 2,925,265.01 and 1,374,605.01 is: 2,062,244.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,949,857.61 : 2,925,265.01 = 1,374,605.01 : x
  2. Step 2: Convert to fraction form
    1,949,857.61/2,925,265.01 = 1,374,605.01/x
  3. Step 3: Cross multiply
    1,949,857.61x = 2,925,265.01 × 1,374,605.01
  4. Step 4: Simplify right side
    1,949,857.61x = 4,021,083,931,450.68
  5. Step 5: Solve for x
    x = 4,021,083,931,450.68/1,949,857.61
  6. Step 6: Final answer
    x = 2,062,244.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.