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Finding the Fourth Proportional to 543,810.98, 750,480.48 and 372,089.14

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Solution

The fourth proportional to 543,810.98, 750,480.48 and 372,089.14 is: 513,497.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,810.98 : 750,480.48 = 372,089.14 : x
  2. Step 2: Convert to fraction form
    543,810.98/750,480.48 = 372,089.14/x
  3. Step 3: Cross multiply
    543,810.98x = 750,480.48 × 372,089.14
  4. Step 4: Simplify right side
    543,810.98x = 279,245,636,389.99
  5. Step 5: Solve for x
    x = 279,245,636,389.99/543,810.98
  6. Step 6: Final answer
    x = 513,497.61

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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.