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Finding the Fourth Proportional to 372,888.63, 514,583.69 and 203,122.76

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Solution

The fourth proportional to 372,888.63, 514,583.69 and 203,122.76 is: 280,307.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,888.63 : 514,583.69 = 203,122.76 : x
  2. Step 2: Convert to fraction form
    372,888.63/514,583.69 = 203,122.76/x
  3. Step 3: Cross multiply
    372,888.63x = 514,583.69 × 203,122.76
  4. Step 4: Simplify right side
    372,888.63x = 104,523,655,775.25
  5. Step 5: Solve for x
    x = 104,523,655,775.25/372,888.63
  6. Step 6: Final answer
    x = 280,307.97

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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.