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Finding the Fourth Proportional to 477,898.71, 659,500.38 and 263,037.23

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Solution

The fourth proportional to 477,898.71, 659,500.38 and 263,037.23 is: 362,991.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,898.71 : 659,500.38 = 263,037.23 : x
  2. Step 2: Convert to fraction form
    477,898.71/659,500.38 = 263,037.23/x
  3. Step 3: Cross multiply
    477,898.71x = 659,500.38 × 263,037.23
  4. Step 4: Simplify right side
    477,898.71x = 173,473,153,139.15
  5. Step 5: Solve for x
    x = 173,473,153,139.15/477,898.71
  6. Step 6: Final answer
    x = 362,991.47

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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.