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Finding the Fourth Proportional to 1,604,309.80, 2,404,844.48 and 1,005,690.54

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Solution

The fourth proportional to 1,604,309.80, 2,404,844.48 and 1,005,690.54 is: 1,507,520.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,604,309.80 : 2,404,844.48 = 1,005,690.54 : x
  2. Step 2: Convert to fraction form
    1,604,309.80/2,404,844.48 = 1,005,690.54/x
  3. Step 3: Cross multiply
    1,604,309.80x = 2,404,844.48 × 1,005,690.54
  4. Step 4: Simplify right side
    1,604,309.80x = 2,418,529,343,707.22
  5. Step 5: Solve for x
    x = 2,418,529,343,707.22/1,604,309.80
  6. Step 6: Final answer
    x = 1,507,520.15

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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.