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Finding the Fourth Proportional to 543,706.81, 750,294.52 and 302,004.83

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Solution

The fourth proportional to 543,706.81, 750,294.52 and 302,004.83 is: 416,755.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,706.81 : 750,294.52 = 302,004.83 : x
  2. Step 2: Convert to fraction form
    543,706.81/750,294.52 = 302,004.83/x
  3. Step 3: Cross multiply
    543,706.81x = 750,294.52 × 302,004.83
  4. Step 4: Simplify right side
    543,706.81x = 226,592,568,962.53
  5. Step 5: Solve for x
    x = 226,592,568,962.53/543,706.81
  6. Step 6: Final answer
    x = 416,755.07

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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.