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Finding the Fourth Proportional to 228,594.80, 342,892.20 and 153,945.20

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Solution

The fourth proportional to 228,594.80, 342,892.20 and 153,945.20 is: 230,917.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,594.80 : 342,892.20 = 153,945.20 : x
  2. Step 2: Convert to fraction form
    228,594.80/342,892.20 = 153,945.20/x
  3. Step 3: Cross multiply
    228,594.80x = 342,892.20 × 153,945.20
  4. Step 4: Simplify right side
    228,594.80x = 52,786,608,307.44
  5. Step 5: Solve for x
    x = 52,786,608,307.44/228,594.80
  6. Step 6: Final answer
    x = 230,917.80

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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.