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Finding the Fourth Proportional to 653,392.86, 979,847.37 and 232,555.74

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Solution

The fourth proportional to 653,392.86, 979,847.37 and 232,555.74 is: 348,747.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,392.86 : 979,847.37 = 232,555.74 : x
  2. Step 2: Convert to fraction form
    653,392.86/979,847.37 = 232,555.74/x
  3. Step 3: Cross multiply
    653,392.86x = 979,847.37 × 232,555.74
  4. Step 4: Simplify right side
    653,392.86x = 227,869,130,217.40
  5. Step 5: Solve for x
    x = 227,869,130,217.40/653,392.86
  6. Step 6: Final answer
    x = 348,747.51

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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.