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Finding the Fourth Proportional to 479,074.72, 718,612.08 and 146,607.52

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Solution

The fourth proportional to 479,074.72, 718,612.08 and 146,607.52 is: 219,911.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,074.72 : 718,612.08 = 146,607.52 : x
  2. Step 2: Convert to fraction form
    479,074.72/718,612.08 = 146,607.52/x
  3. Step 3: Cross multiply
    479,074.72x = 718,612.08 × 146,607.52
  4. Step 4: Simplify right side
    479,074.72x = 105,353,934,890.84
  5. Step 5: Solve for x
    x = 105,353,934,890.84/479,074.72
  6. Step 6: Final answer
    x = 219,911.28

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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.