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Finding the Fourth Proportional to 1,273,890.96, 1,757,933.28 and 700,931.52

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Solution

The fourth proportional to 1,273,890.96, 1,757,933.28 and 700,931.52 is: 967,265.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,273,890.96 : 1,757,933.28 = 700,931.52 : x
  2. Step 2: Convert to fraction form
    1,273,890.96/1,757,933.28 = 700,931.52/x
  3. Step 3: Cross multiply
    1,273,890.96x = 1,757,933.28 × 700,931.52
  4. Step 4: Simplify right side
    1,273,890.96x = 1,232,190,846,008.99
  5. Step 5: Solve for x
    x = 1,232,190,846,008.99/1,273,890.96
  6. Step 6: Final answer
    x = 967,265.55

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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.