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Finding the Fourth Proportional to 517,793.60, 714,187.08 and 345,624.77

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Solution

The fourth proportional to 517,793.60, 714,187.08 and 345,624.77 is: 476,716.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,793.60 : 714,187.08 = 345,624.77 : x
  2. Step 2: Convert to fraction form
    517,793.60/714,187.08 = 345,624.77/x
  3. Step 3: Cross multiply
    517,793.60x = 714,187.08 × 345,624.77
  4. Step 4: Simplify right side
    517,793.60x = 246,840,745,261.97
  5. Step 5: Solve for x
    x = 246,840,745,261.97/517,793.60
  6. Step 6: Final answer
    x = 476,716.49

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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.