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Finding the Fourth Proportional to 503,449.59, 755,173.44 and 148,712.73

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Solution

The fourth proportional to 503,449.59, 755,173.44 and 148,712.73 is: 223,068.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,449.59 : 755,173.44 = 148,712.73 : x
  2. Step 2: Convert to fraction form
    503,449.59/755,173.44 = 148,712.73/x
  3. Step 3: Cross multiply
    503,449.59x = 755,173.44 × 148,712.73
  4. Step 4: Simplify right side
    503,449.59x = 112,303,903,885.89
  5. Step 5: Solve for x
    x = 112,303,903,885.89/503,449.59
  6. Step 6: Final answer
    x = 223,068.82

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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.