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Finding the Fourth Proportional to 1,349,628, 1,862,489.88 and 746,016

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Solution

The fourth proportional to 1,349,628, 1,862,489.88 and 746,016 is: 1,029,503.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,349,628 : 1,862,489.88 = 746,016 : x
  2. Step 2: Convert to fraction form
    1,349,628/1,862,489.88 = 746,016/x
  3. Step 3: Cross multiply
    1,349,628x = 1,862,489.88 × 746,016
  4. Step 4: Simplify right side
    1,349,628x = 1,389,447,250,318.08
  5. Step 5: Solve for x
    x = 1,389,447,250,318.08/1,349,628
  6. Step 6: Final answer
    x = 1,029,503.87

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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.