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Finding the Fourth Proportional to 946,863, 1,306,709.82 and 544,455

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Solution

The fourth proportional to 946,863, 1,306,709.82 and 544,455 is: 751,370.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    946,863 : 1,306,709.82 = 544,455 : x
  2. Step 2: Convert to fraction form
    946,863/1,306,709.82 = 544,455/x
  3. Step 3: Cross multiply
    946,863x = 1,306,709.82 × 544,455
  4. Step 4: Simplify right side
    946,863x = 711,444,695,048.10
  5. Step 5: Solve for x
    x = 711,444,695,048.10/946,863
  6. Step 6: Final answer
    x = 751,370.26

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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.