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Finding the Fourth Proportional to 610,550.80, 915,811.80 and 167,318.80

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Solution

The fourth proportional to 610,550.80, 915,811.80 and 167,318.80 is: 250,974.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,550.80 : 915,811.80 = 167,318.80 : x
  2. Step 2: Convert to fraction form
    610,550.80/915,811.80 = 167,318.80/x
  3. Step 3: Cross multiply
    610,550.80x = 915,811.80 × 167,318.80
  4. Step 4: Simplify right side
    610,550.80x = 153,232,531,401.84
  5. Step 5: Solve for x
    x = 153,232,531,401.84/610,550.80
  6. Step 6: Final answer
    x = 250,974.25

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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.