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Finding the Fourth Proportional to 446,718.56, 670,176.66 and 147,187.04

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Solution

The fourth proportional to 446,718.56, 670,176.66 and 147,187.04 is: 220,813.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,718.56 : 670,176.66 = 147,187.04 : x
  2. Step 2: Convert to fraction form
    446,718.56/670,176.66 = 147,187.04/x
  3. Step 3: Cross multiply
    446,718.56x = 670,176.66 × 147,187.04
  4. Step 4: Simplify right side
    446,718.56x = 98,641,318,862.49
  5. Step 5: Solve for x
    x = 98,641,318,862.49/446,718.56
  6. Step 6: Final answer
    x = 220,813.12

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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.