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Finding the Fourth Proportional to 373,182.89, 514,992.40 and 203,417.01

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Solution

The fourth proportional to 373,182.89, 514,992.40 and 203,417.01 is: 280,715.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,182.89 : 514,992.40 = 203,417.01 : x
  2. Step 2: Convert to fraction form
    373,182.89/514,992.40 = 203,417.01/x
  3. Step 3: Cross multiply
    373,182.89x = 514,992.40 × 203,417.01
  4. Step 4: Simplify right side
    373,182.89x = 104,758,213,672.18
  5. Step 5: Solve for x
    x = 104,758,213,672.18/373,182.89
  6. Step 6: Final answer
    x = 280,715.48

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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.