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Finding the Fourth Proportional to 1,932,672.59, 2,898,017.23 and 1,022,346.40

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Solution

The fourth proportional to 1,932,672.59, 2,898,017.23 and 1,022,346.40 is: 1,532,995.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,932,672.59 : 2,898,017.23 = 1,022,346.40 : x
  2. Step 2: Convert to fraction form
    1,932,672.59/2,898,017.23 = 1,022,346.40/x
  3. Step 3: Cross multiply
    1,932,672.59x = 2,898,017.23 × 1,022,346.40
  4. Step 4: Simplify right side
    1,932,672.59x = 2,962,777,482,228.47
  5. Step 5: Solve for x
    x = 2,962,777,482,228.47/1,932,672.59
  6. Step 6: Final answer
    x = 1,532,995.03

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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.