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Finding the Fourth Proportional to 265,715.30, 372,277.90 and 265,715.30

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Solution

The fourth proportional to 265,715.30, 372,277.90 and 265,715.30 is: 372,277.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,715.30 : 372,277.90 = 265,715.30 : x
  2. Step 2: Convert to fraction form
    265,715.30/372,277.90 = 265,715.30/x
  3. Step 3: Cross multiply
    265,715.30x = 372,277.90 × 265,715.30
  4. Step 4: Simplify right side
    265,715.30x = 98,919,933,881.87
  5. Step 5: Solve for x
    x = 98,919,933,881.87/265,715.30
  6. Step 6: Final answer
    x = 372,277.90

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.