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Finding the Fourth Proportional to 296,808, 444,913.95 and 147,157.05

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Solution

The fourth proportional to 296,808, 444,913.95 and 147,157.05 is: 220,587.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,808 : 444,913.95 = 147,157.05 : x
  2. Step 2: Convert to fraction form
    296,808/444,913.95 = 147,157.05/x
  3. Step 3: Cross multiply
    296,808x = 444,913.95 × 147,157.05
  4. Step 4: Simplify right side
    296,808x = 65,472,224,385.85
  5. Step 5: Solve for x
    x = 65,472,224,385.85/296,808
  6. Step 6: Final answer
    x = 220,587.80

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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.