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Finding the Fourth Proportional to 1,395,356, 2,093,346 and 508,892

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Solution

The fourth proportional to 1,395,356, 2,093,346 and 508,892 is: 763,451.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,395,356 : 2,093,346 = 508,892 : x
  2. Step 2: Convert to fraction form
    1,395,356/2,093,346 = 508,892/x
  3. Step 3: Cross multiply
    1,395,356x = 2,093,346 × 508,892
  4. Step 4: Simplify right side
    1,395,356x = 1,065,287,032,632
  5. Step 5: Solve for x
    x = 1,065,287,032,632/1,395,356
  6. Step 6: Final answer
    x = 763,451.79

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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.