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Finding the Fourth Proportional to 465,945.60, 697,893.91 and 385,066.92

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Solution

The fourth proportional to 465,945.60, 697,893.91 and 385,066.92 is: 576,753.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,945.60 : 697,893.91 = 385,066.92 : x
  2. Step 2: Convert to fraction form
    465,945.60/697,893.91 = 385,066.92/x
  3. Step 3: Cross multiply
    465,945.60x = 697,893.91 × 385,066.92
  4. Step 4: Simplify right side
    465,945.60x = 268,735,858,410.46
  5. Step 5: Solve for x
    x = 268,735,858,410.46/465,945.60
  6. Step 6: Final answer
    x = 576,753.72

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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.