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Finding the Fourth Proportional to 479,033.42, 717,736.67 and 289,094.66

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Solution

The fourth proportional to 479,033.42, 717,736.67 and 289,094.66 is: 433,151.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,033.42 : 717,736.67 = 289,094.66 : x
  2. Step 2: Convert to fraction form
    479,033.42/717,736.67 = 289,094.66/x
  3. Step 3: Cross multiply
    479,033.42x = 717,736.67 × 289,094.66
  4. Step 4: Simplify right side
    479,033.42x = 207,493,833,549.03
  5. Step 5: Solve for x
    x = 207,493,833,549.03/479,033.42
  6. Step 6: Final answer
    x = 433,151.06

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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.