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Finding the Fourth Proportional to 503,496.96, 694,892.16 and 302,305.92

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Solution

The fourth proportional to 503,496.96, 694,892.16 and 302,305.92 is: 417,222.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,496.96 : 694,892.16 = 302,305.92 : x
  2. Step 2: Convert to fraction form
    503,496.96/694,892.16 = 302,305.92/x
  3. Step 3: Cross multiply
    503,496.96x = 694,892.16 × 302,305.92
  4. Step 4: Simplify right side
    503,496.96x = 210,070,013,729.59
  5. Step 5: Solve for x
    x = 210,070,013,729.59/503,496.96
  6. Step 6: Final answer
    x = 417,222.01

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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.