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Finding the Fourth Proportional to 264,907.04, 397,442.60 and 91,813.56

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Solution

The fourth proportional to 264,907.04, 397,442.60 and 91,813.56 is: 137,748.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,907.04 : 397,442.60 = 91,813.56 : x
  2. Step 2: Convert to fraction form
    264,907.04/397,442.60 = 91,813.56/x
  3. Step 3: Cross multiply
    264,907.04x = 397,442.60 × 91,813.56
  4. Step 4: Simplify right side
    264,907.04x = 36,490,620,001.66
  5. Step 5: Solve for x
    x = 36,490,620,001.66/264,907.04
  6. Step 6: Final answer
    x = 137,748.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.