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Finding the Fourth Proportional to 1,952,948.63, 2,928,003.44 and 816,036.22

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Solution

The fourth proportional to 1,952,948.63, 2,928,003.44 and 816,036.22 is: 1,223,461.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,952,948.63 : 2,928,003.44 = 816,036.22 : x
  2. Step 2: Convert to fraction form
    1,952,948.63/2,928,003.44 = 816,036.22/x
  3. Step 3: Cross multiply
    1,952,948.63x = 2,928,003.44 × 816,036.22
  4. Step 4: Simplify right side
    1,952,948.63x = 2,389,356,863,494.62
  5. Step 5: Solve for x
    x = 2,389,356,863,494.62/1,952,948.63
  6. Step 6: Final answer
    x = 1,223,461.20

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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.