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Finding the Fourth Proportional to 580,860.50, 870,952.46 and 225,459.32

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Solution

The fourth proportional to 580,860.50, 870,952.46 and 225,459.32 is: 338,057.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,860.50 : 870,952.46 = 225,459.32 : x
  2. Step 2: Convert to fraction form
    580,860.50/870,952.46 = 225,459.32/x
  3. Step 3: Cross multiply
    580,860.50x = 870,952.46 × 225,459.32
  4. Step 4: Simplify right side
    580,860.50x = 196,364,349,383.93
  5. Step 5: Solve for x
    x = 196,364,349,383.93/580,860.50
  6. Step 6: Final answer
    x = 338,057.67

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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.