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Finding the Fourth Proportional to 543,900.04, 750,605.40 and 302,182.61

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Solution

The fourth proportional to 543,900.04, 750,605.40 and 302,182.61 is: 417,024.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,900.04 : 750,605.40 = 302,182.61 : x
  2. Step 2: Convert to fraction form
    543,900.04/750,605.40 = 302,182.61/x
  3. Step 3: Cross multiply
    543,900.04x = 750,605.40 × 302,182.61
  4. Step 4: Simplify right side
    543,900.04x = 226,819,895,099.07
  5. Step 5: Solve for x
    x = 226,819,895,099.07/543,900.04
  6. Step 6: Final answer
    x = 417,024.97

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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.