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Finding the Fourth Proportional to 446,276.18, 669,435.78 and 146,750.12

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Solution

The fourth proportional to 446,276.18, 669,435.78 and 146,750.12 is: 220,132.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,276.18 : 669,435.78 = 146,750.12 : x
  2. Step 2: Convert to fraction form
    446,276.18/669,435.78 = 146,750.12/x
  3. Step 3: Cross multiply
    446,276.18x = 669,435.78 × 146,750.12
  4. Step 4: Simplify right side
    446,276.18x = 98,239,777,700.11
  5. Step 5: Solve for x
    x = 98,239,777,700.11/446,276.18
  6. Step 6: Final answer
    x = 220,132.25

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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.