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Finding the Fourth Proportional to 650,971.35, 897,740.96 and 446,661.81

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Solution

The fourth proportional to 650,971.35, 897,740.96 and 446,661.81 is: 615,981.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,971.35 : 897,740.96 = 446,661.81 : x
  2. Step 2: Convert to fraction form
    650,971.35/897,740.96 = 446,661.81/x
  3. Step 3: Cross multiply
    650,971.35x = 897,740.96 × 446,661.81
  4. Step 4: Simplify right side
    650,971.35x = 400,986,599,871.43
  5. Step 5: Solve for x
    x = 400,986,599,871.43/650,971.35
  6. Step 6: Final answer
    x = 615,981.95

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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.