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Finding the Fourth Proportional to 367,884.45, 507,683.88 and 222,693.57

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Solution

The fourth proportional to 367,884.45, 507,683.88 and 222,693.57 is: 307,319.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,884.45 : 507,683.88 = 222,693.57 : x
  2. Step 2: Convert to fraction form
    367,884.45/507,683.88 = 222,693.57/x
  3. Step 3: Cross multiply
    367,884.45x = 507,683.88 × 222,693.57
  4. Step 4: Simplify right side
    367,884.45x = 113,057,935,668.65
  5. Step 5: Solve for x
    x = 113,057,935,668.65/367,884.45
  6. Step 6: Final answer
    x = 307,319.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.