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Finding the Fourth Proportional to 447,318, 617,298.84 and 246,114

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Solution

The fourth proportional to 447,318, 617,298.84 and 246,114 is: 339,637.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,318 : 617,298.84 = 246,114 : x
  2. Step 2: Convert to fraction form
    447,318/617,298.84 = 246,114/x
  3. Step 3: Cross multiply
    447,318x = 617,298.84 × 246,114
  4. Step 4: Simplify right side
    447,318x = 151,925,886,707.76
  5. Step 5: Solve for x
    x = 151,925,886,707.76/447,318
  6. Step 6: Final answer
    x = 339,637.32

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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.