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Finding the Fourth Proportional to 296,139.40, 444,500.70 and 146,548.60

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Solution

The fourth proportional to 296,139.40, 444,500.70 and 146,548.60 is: 219,967.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,139.40 : 444,500.70 = 146,548.60 : x
  2. Step 2: Convert to fraction form
    296,139.40/444,500.70 = 146,548.60/x
  3. Step 3: Cross multiply
    296,139.40x = 444,500.70 × 146,548.60
  4. Step 4: Simplify right side
    296,139.40x = 65,140,955,284.02
  5. Step 5: Solve for x
    x = 65,140,955,284.02/296,139.40
  6. Step 6: Final answer
    x = 219,967.20

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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.