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Finding the Fourth Proportional to 1,322,671, 1,825,298.96 and 719,071.96

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Solution

The fourth proportional to 1,322,671, 1,825,298.96 and 719,071.96 is: 992,326.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,322,671 : 1,825,298.96 = 719,071.96 : x
  2. Step 2: Convert to fraction form
    1,322,671/1,825,298.96 = 719,071.96/x
  3. Step 3: Cross multiply
    1,322,671x = 1,825,298.96 × 719,071.96
  4. Step 4: Simplify right side
    1,322,671x = 1,312,521,300,753.16
  5. Step 5: Solve for x
    x = 1,312,521,300,753.16/1,322,671
  6. Step 6: Final answer
    x = 992,326.36

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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.