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Finding the Fourth Proportional to 1,569,149.42, 2,351,478.54 and 893,836.22

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Solution

The fourth proportional to 1,569,149.42, 2,351,478.54 and 893,836.22 is: 1,339,475.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,569,149.42 : 2,351,478.54 = 893,836.22 : x
  2. Step 2: Convert to fraction form
    1,569,149.42/2,351,478.54 = 893,836.22/x
  3. Step 3: Cross multiply
    1,569,149.42x = 2,351,478.54 × 893,836.22
  4. Step 4: Simplify right side
    1,569,149.42x = 2,101,836,689,604.72
  5. Step 5: Solve for x
    x = 2,101,836,689,604.72/1,569,149.42
  6. Step 6: Final answer
    x = 1,339,475.17

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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.