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Finding the Fourth Proportional to 855,963, 1,181,026.08 and 506,927.10

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Solution

The fourth proportional to 855,963, 1,181,026.08 and 506,927.10 is: 699,439.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,963 : 1,181,026.08 = 506,927.10 : x
  2. Step 2: Convert to fraction form
    855,963/1,181,026.08 = 506,927.10/x
  3. Step 3: Cross multiply
    855,963x = 1,181,026.08 × 506,927.10
  4. Step 4: Simplify right side
    855,963x = 598,694,125,758.77
  5. Step 5: Solve for x
    x = 598,694,125,758.77/855,963
  6. Step 6: Final answer
    x = 699,439.26

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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.