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Finding the Fourth Proportional to 1,294,922.16, 1,942,560.51 and 441,764.75

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Solution

The fourth proportional to 1,294,922.16, 1,942,560.51 and 441,764.75 is: 662,707.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,294,922.16 : 1,942,560.51 = 441,764.75 : x
  2. Step 2: Convert to fraction form
    1,294,922.16/1,942,560.51 = 441,764.75/x
  3. Step 3: Cross multiply
    1,294,922.16x = 1,942,560.51 × 441,764.75
  4. Step 4: Simplify right side
    1,294,922.16x = 858,154,758,060.02
  5. Step 5: Solve for x
    x = 858,154,758,060.02/1,294,922.16
  6. Step 6: Final answer
    x = 662,707.60

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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.