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Finding the Fourth Proportional to 479,217.53, 661,316.50 and 264,366.65

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Solution

The fourth proportional to 479,217.53, 661,316.50 and 264,366.65 is: 364,823.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,217.53 : 661,316.50 = 264,366.65 : x
  2. Step 2: Convert to fraction form
    479,217.53/661,316.50 = 264,366.65/x
  3. Step 3: Cross multiply
    479,217.53x = 661,316.50 × 264,366.65
  4. Step 4: Simplify right side
    479,217.53x = 174,830,029,678.48
  5. Step 5: Solve for x
    x = 174,830,029,678.48/479,217.53
  6. Step 6: Final answer
    x = 364,823.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.