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Finding the Fourth Proportional to 330,059.37, 495,009.66 and 152,395.59

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Solution

The fourth proportional to 330,059.37, 495,009.66 and 152,395.59 is: 228,556.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,059.37 : 495,009.66 = 152,395.59 : x
  2. Step 2: Convert to fraction form
    330,059.37/495,009.66 = 152,395.59/x
  3. Step 3: Cross multiply
    330,059.37x = 495,009.66 × 152,395.59
  4. Step 4: Simplify right side
    330,059.37x = 75,437,289,191.40
  5. Step 5: Solve for x
    x = 75,437,289,191.40/330,059.37
  6. Step 6: Final answer
    x = 228,556.73

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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.