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Finding the Fourth Proportional to 364,005.60, 545,911.20 and 111,285.60

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Solution

The fourth proportional to 364,005.60, 545,911.20 and 111,285.60 is: 166,898.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,005.60 : 545,911.20 = 111,285.60 : x
  2. Step 2: Convert to fraction form
    364,005.60/545,911.20 = 111,285.60/x
  3. Step 3: Cross multiply
    364,005.60x = 545,911.20 × 111,285.60
  4. Step 4: Simplify right side
    364,005.60x = 60,752,055,438.72
  5. Step 5: Solve for x
    x = 60,752,055,438.72/364,005.60
  6. Step 6: Final answer
    x = 166,898.68

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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.