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Finding the Fourth Proportional to 691,998.62, 954,955.03 and 374,046.62

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Solution

The fourth proportional to 691,998.62, 954,955.03 and 374,046.62 is: 516,182.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,998.62 : 954,955.03 = 374,046.62 : x
  2. Step 2: Convert to fraction form
    691,998.62/954,955.03 = 374,046.62/x
  3. Step 3: Cross multiply
    691,998.62x = 954,955.03 × 374,046.62
  4. Step 4: Simplify right side
    691,998.62x = 357,197,701,223.50
  5. Step 5: Solve for x
    x = 357,197,701,223.50/691,998.62
  6. Step 6: Final answer
    x = 516,182.68

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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.