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Finding the Fourth Proportional to 446,046.48, 668,928.76 and 146,477.68

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Solution

The fourth proportional to 446,046.48, 668,928.76 and 146,477.68 is: 219,670.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,046.48 : 668,928.76 = 146,477.68 : x
  2. Step 2: Convert to fraction form
    446,046.48/668,928.76 = 146,477.68/x
  3. Step 3: Cross multiply
    446,046.48x = 668,928.76 × 146,477.68
  4. Step 4: Simplify right side
    446,046.48x = 97,983,132,850.08
  5. Step 5: Solve for x
    x = 97,983,132,850.08/446,046.48
  6. Step 6: Final answer
    x = 219,670.23

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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.