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Finding the Fourth Proportional to 479,570.76, 719,500.14 and 227,043.72

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Solution

The fourth proportional to 479,570.76, 719,500.14 and 227,043.72 is: 340,633.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,570.76 : 719,500.14 = 227,043.72 : x
  2. Step 2: Convert to fraction form
    479,570.76/719,500.14 = 227,043.72/x
  3. Step 3: Cross multiply
    479,570.76x = 719,500.14 × 227,043.72
  4. Step 4: Simplify right side
    479,570.76x = 163,357,988,326.12
  5. Step 5: Solve for x
    x = 163,357,988,326.12/479,570.76
  6. Step 6: Final answer
    x = 340,633.75

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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.