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Finding the Fourth Proportional to 898,359.80, 1,347,539.70 and 833,405.90

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Solution

The fourth proportional to 898,359.80, 1,347,539.70 and 833,405.90 is: 1,250,108.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,359.80 : 1,347,539.70 = 833,405.90 : x
  2. Step 2: Convert to fraction form
    898,359.80/1,347,539.70 = 833,405.90/x
  3. Step 3: Cross multiply
    898,359.80x = 1,347,539.70 × 833,405.90
  4. Step 4: Simplify right side
    898,359.80x = 1,123,047,536,464.23
  5. Step 5: Solve for x
    x = 1,123,047,536,464.23/898,359.80
  6. Step 6: Final answer
    x = 1,250,108.85

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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.