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Finding the Fourth Proportional to 503,465.34, 755,197.05 and 148,728.48

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Solution

The fourth proportional to 503,465.34, 755,197.05 and 148,728.48 is: 223,092.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,465.34 : 755,197.05 = 148,728.48 : x
  2. Step 2: Convert to fraction form
    503,465.34/755,197.05 = 148,728.48/x
  3. Step 3: Cross multiply
    503,465.34x = 755,197.05 × 148,728.48
  4. Step 4: Simplify right side
    503,465.34x = 112,319,309,346.98
  5. Step 5: Solve for x
    x = 112,319,309,346.98/503,465.34
  6. Step 6: Final answer
    x = 223,092.44

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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.