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Finding the Fourth Proportional to 543,851.98, 750,635.80 and 302,217.64

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Solution

The fourth proportional to 543,851.98, 750,635.80 and 302,217.64 is: 417,127.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,851.98 : 750,635.80 = 302,217.64 : x
  2. Step 2: Convert to fraction form
    543,851.98/750,635.80 = 302,217.64/x
  3. Step 3: Cross multiply
    543,851.98x = 750,635.80 × 302,217.64
  4. Step 4: Simplify right side
    543,851.98x = 226,855,379,975.51
  5. Step 5: Solve for x
    x = 226,855,379,975.51/543,851.98
  6. Step 6: Final answer
    x = 417,127.06

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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.