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Finding the Fourth Proportional to 898,502.56, 1,339,579.64 and 797,528.80

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Solution

The fourth proportional to 898,502.56, 1,339,579.64 and 797,528.80 is: 1,189,037.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,502.56 : 1,339,579.64 = 797,528.80 : x
  2. Step 2: Convert to fraction form
    898,502.56/1,339,579.64 = 797,528.80/x
  3. Step 3: Cross multiply
    898,502.56x = 1,339,579.64 × 797,528.80
  4. Step 4: Simplify right side
    898,502.56x = 1,068,353,342,793.63
  5. Step 5: Solve for x
    x = 1,068,353,342,793.63/898,502.56
  6. Step 6: Final answer
    x = 1,189,037.62

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.