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Finding the Fourth Proportional to 372,802.11, 514,466.82 and 203,036.24

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Solution

The fourth proportional to 372,802.11, 514,466.82 and 203,036.24 is: 280,189.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,802.11 : 514,466.82 = 203,036.24 : x
  2. Step 2: Convert to fraction form
    372,802.11/514,466.82 = 203,036.24/x
  3. Step 3: Cross multiply
    372,802.11x = 514,466.82 × 203,036.24
  4. Step 4: Simplify right side
    372,802.11x = 104,455,406,165.22
  5. Step 5: Solve for x
    x = 104,455,406,165.22/372,802.11
  6. Step 6: Final answer
    x = 280,189.95

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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.