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Finding the Fourth Proportional to 425,852.51, 587,672.01 and 234,861.80

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Solution

The fourth proportional to 425,852.51, 587,672.01 and 234,861.80 is: 324,106.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,852.51 : 587,672.01 = 234,861.80 : x
  2. Step 2: Convert to fraction form
    425,852.51/587,672.01 = 234,861.80/x
  3. Step 3: Cross multiply
    425,852.51x = 587,672.01 × 234,861.80
  4. Step 4: Simplify right side
    425,852.51x = 138,021,703,139.86
  5. Step 5: Solve for x
    x = 138,021,703,139.86/425,852.51
  6. Step 6: Final answer
    x = 324,106.82

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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.