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Finding the Fourth Proportional to 610,450.80, 915,661.80 and 167,218.80

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Solution

The fourth proportional to 610,450.80, 915,661.80 and 167,218.80 is: 250,824.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,450.80 : 915,661.80 = 167,218.80 : x
  2. Step 2: Convert to fraction form
    610,450.80/915,661.80 = 167,218.80/x
  3. Step 3: Cross multiply
    610,450.80x = 915,661.80 × 167,218.80
  4. Step 4: Simplify right side
    610,450.80x = 153,115,867,401.84
  5. Step 5: Solve for x
    x = 153,115,867,401.84/610,450.80
  6. Step 6: Final answer
    x = 250,824.26

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1.5x scale

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.