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Finding the Fourth Proportional to 347,860.36, 480,059.22 and 202,656.52

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Solution

The fourth proportional to 347,860.36, 480,059.22 and 202,656.52 is: 279,672.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,860.36 : 480,059.22 = 202,656.52 : x
  2. Step 2: Convert to fraction form
    347,860.36/480,059.22 = 202,656.52/x
  3. Step 3: Cross multiply
    347,860.36x = 480,059.22 × 202,656.52
  4. Step 4: Simplify right side
    347,860.36x = 97,287,130,919.11
  5. Step 5: Solve for x
    x = 97,287,130,919.11/347,860.36
  6. Step 6: Final answer
    x = 279,672.94

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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.