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Finding the Fourth Proportional to 503,750.40, 755,449.20 and 148,670.40

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Solution

The fourth proportional to 503,750.40, 755,449.20 and 148,670.40 is: 222,953.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,750.40 : 755,449.20 = 148,670.40 : x
  2. Step 2: Convert to fraction form
    503,750.40/755,449.20 = 148,670.40/x
  3. Step 3: Cross multiply
    503,750.40x = 755,449.20 × 148,670.40
  4. Step 4: Simplify right side
    503,750.40x = 112,312,934,743.68
  5. Step 5: Solve for x
    x = 112,312,934,743.68/503,750.40
  6. Step 6: Final answer
    x = 222,953.54

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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.