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Finding the Fourth Proportional to 307,450.67, 461,316.13 and 157,796.06

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Solution

The fourth proportional to 307,450.67, 461,316.13 and 157,796.06 is: 236,766.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,450.67 : 461,316.13 = 157,796.06 : x
  2. Step 2: Convert to fraction form
    307,450.67/461,316.13 = 157,796.06/x
  3. Step 3: Cross multiply
    307,450.67x = 461,316.13 × 157,796.06
  4. Step 4: Simplify right side
    307,450.67x = 72,793,867,728.45
  5. Step 5: Solve for x
    x = 72,793,867,728.45/307,450.67
  6. Step 6: Final answer
    x = 236,766.01

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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.