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Finding the Fourth Proportional to 295,886.40, 444,121.20 and 146,295.60

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Solution

The fourth proportional to 295,886.40, 444,121.20 and 146,295.60 is: 219,587.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,886.40 : 444,121.20 = 146,295.60 : x
  2. Step 2: Convert to fraction form
    295,886.40/444,121.20 = 146,295.60/x
  3. Step 3: Cross multiply
    295,886.40x = 444,121.20 × 146,295.60
  4. Step 4: Simplify right side
    295,886.40x = 64,972,977,426.72
  5. Step 5: Solve for x
    x = 64,972,977,426.72/295,886.40
  6. Step 6: Final answer
    x = 219,587.58

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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.