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Finding the Fourth Proportional to 845,039, 1,266,705.56 and 529,717.32

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Solution

The fourth proportional to 845,039, 1,266,705.56 and 529,717.32 is: 794,041.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,039 : 1,266,705.56 = 529,717.32 : x
  2. Step 2: Convert to fraction form
    845,039/1,266,705.56 = 529,717.32/x
  3. Step 3: Cross multiply
    845,039x = 1,266,705.56 × 529,717.32
  4. Step 4: Simplify right side
    845,039x = 670,995,874,472.30
  5. Step 5: Solve for x
    x = 670,995,874,472.30/845,039
  6. Step 6: Final answer
    x = 794,041.31

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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.