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Finding the Fourth Proportional to 363,756.11, 545,634.26 and 111,038.06

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Solution

The fourth proportional to 363,756.11, 545,634.26 and 111,038.06 is: 166,557.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,756.11 : 545,634.26 = 111,038.06 : x
  2. Step 2: Convert to fraction form
    363,756.11/545,634.26 = 111,038.06/x
  3. Step 3: Cross multiply
    363,756.11x = 545,634.26 × 111,038.06
  4. Step 4: Simplify right side
    363,756.11x = 60,586,166,416.57
  5. Step 5: Solve for x
    x = 60,586,166,416.57/363,756.11
  6. Step 6: Final answer
    x = 166,557.11

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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.