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Finding the Fourth Proportional to 700,398.72, 1,050,621.12 and 227,088

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Solution

The fourth proportional to 700,398.72, 1,050,621.12 and 227,088 is: 340,639.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    700,398.72 : 1,050,621.12 = 227,088 : x
  2. Step 2: Convert to fraction form
    700,398.72/1,050,621.12 = 227,088/x
  3. Step 3: Cross multiply
    700,398.72x = 1,050,621.12 × 227,088
  4. Step 4: Simplify right side
    700,398.72x = 238,583,448,898.56
  5. Step 5: Solve for x
    x = 238,583,448,898.56/700,398.72
  6. Step 6: Final answer
    x = 340,639.47

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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.