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Finding the Fourth Proportional to 446,707.56, 670,160.16 and 147,176.04

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Solution

The fourth proportional to 446,707.56, 670,160.16 and 147,176.04 is: 220,796.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,707.56 : 670,160.16 = 147,176.04 : x
  2. Step 2: Convert to fraction form
    446,707.56/670,160.16 = 147,176.04/x
  3. Step 3: Cross multiply
    446,707.56x = 670,160.16 × 147,176.04
  4. Step 4: Simplify right side
    446,707.56x = 98,631,518,514.57
  5. Step 5: Solve for x
    x = 98,631,518,514.57/446,707.56
  6. Step 6: Final answer
    x = 220,796.62

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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.