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Finding the Fourth Proportional to 1,605,800, 2,409,633.12 and 719,336

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Solution

The fourth proportional to 1,605,800, 2,409,633.12 and 719,336 is: 1,079,422.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,605,800 : 2,409,633.12 = 719,336 : x
  2. Step 2: Convert to fraction form
    1,605,800/2,409,633.12 = 719,336/x
  3. Step 3: Cross multiply
    1,605,800x = 2,409,633.12 × 719,336
  4. Step 4: Simplify right side
    1,605,800x = 1,733,335,850,008.32
  5. Step 5: Solve for x
    x = 1,733,335,850,008.32/1,605,800
  6. Step 6: Final answer
    x = 1,079,422.00

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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.