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Finding the Fourth Proportional to 1,692,169.01, 2,334,815.48 and 1,003,490.91

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Solution

The fourth proportional to 1,692,169.01, 2,334,815.48 and 1,003,490.91 is: 1,384,593.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,692,169.01 : 2,334,815.48 = 1,003,490.91 : x
  2. Step 2: Convert to fraction form
    1,692,169.01/2,334,815.48 = 1,003,490.91/x
  3. Step 3: Cross multiply
    1,692,169.01x = 2,334,815.48 × 1,003,490.91
  4. Step 4: Simplify right side
    1,692,169.01x = 2,342,966,113,216.01
  5. Step 5: Solve for x
    x = 2,342,966,113,216.01/1,692,169.01
  6. Step 6: Final answer
    x = 1,384,593.44

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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.