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Finding the Fourth Proportional to 295,725.40, 443,879.70 and 146,134.60

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Solution

The fourth proportional to 295,725.40, 443,879.70 and 146,134.60 is: 219,346.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,725.40 : 443,879.70 = 146,134.60 : x
  2. Step 2: Convert to fraction form
    295,725.40/443,879.70 = 146,134.60/x
  3. Step 3: Cross multiply
    295,725.40x = 443,879.70 × 146,134.60
  4. Step 4: Simplify right side
    295,725.40x = 64,866,182,407.62
  5. Step 5: Solve for x
    x = 64,866,182,407.62/295,725.40
  6. Step 6: Final answer
    x = 219,346.00

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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.