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Finding the Fourth Proportional to 503,153.96, 694,346.79 and 374,667.14

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Solution

The fourth proportional to 503,153.96, 694,346.79 and 374,667.14 is: 517,036.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,153.96 : 694,346.79 = 374,667.14 : x
  2. Step 2: Convert to fraction form
    503,153.96/694,346.79 = 374,667.14/x
  3. Step 3: Cross multiply
    503,153.96x = 694,346.79 × 374,667.14
  4. Step 4: Simplify right side
    503,153.96x = 260,148,925,977.48
  5. Step 5: Solve for x
    x = 260,148,925,977.48/503,153.96
  6. Step 6: Final answer
    x = 517,036.43

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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.