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Finding the Fourth Proportional to 367,031.52, 506,211.30 and 303,258.60

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Solution

The fourth proportional to 367,031.52, 506,211.30 and 303,258.60 is: 418,255.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,031.52 : 506,211.30 = 303,258.60 : x
  2. Step 2: Convert to fraction form
    367,031.52/506,211.30 = 303,258.60/x
  3. Step 3: Cross multiply
    367,031.52x = 506,211.30 × 303,258.60
  4. Step 4: Simplify right side
    367,031.52x = 153,512,930,142.18
  5. Step 5: Solve for x
    x = 153,512,930,142.18/367,031.52
  6. Step 6: Final answer
    x = 418,255.44

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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.