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Finding the Fourth Proportional to 407,167.98, 610,755.21 and 167,220.06

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Solution

The fourth proportional to 407,167.98, 610,755.21 and 167,220.06 is: 250,831.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,167.98 : 610,755.21 = 167,220.06 : x
  2. Step 2: Convert to fraction form
    407,167.98/610,755.21 = 167,220.06/x
  3. Step 3: Cross multiply
    407,167.98x = 610,755.21 × 167,220.06
  4. Step 4: Simplify right side
    407,167.98x = 102,130,522,861.51
  5. Step 5: Solve for x
    x = 102,130,522,861.51/407,167.98
  6. Step 6: Final answer
    x = 250,831.42

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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.