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Finding the Fourth Proportional to 415,790.08, 623,530.32 and 149,477.92

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Solution

The fourth proportional to 415,790.08, 623,530.32 and 149,477.92 is: 224,161.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,790.08 : 623,530.32 = 149,477.92 : x
  2. Step 2: Convert to fraction form
    415,790.08/623,530.32 = 149,477.92/x
  3. Step 3: Cross multiply
    415,790.08x = 623,530.32 × 149,477.92
  4. Step 4: Simplify right side
    415,790.08x = 93,204,015,290.53
  5. Step 5: Solve for x
    x = 93,204,015,290.53/415,790.08
  6. Step 6: Final answer
    x = 224,161.23

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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.