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Finding the Fourth Proportional to 360,902.07, 498,056.61 and 207,928.25

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Solution

The fourth proportional to 360,902.07, 498,056.61 and 207,928.25 is: 286,947.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,902.07 : 498,056.61 = 207,928.25 : x
  2. Step 2: Convert to fraction form
    360,902.07/498,056.61 = 207,928.25/x
  3. Step 3: Cross multiply
    360,902.07x = 498,056.61 × 207,928.25
  4. Step 4: Simplify right side
    360,902.07x = 103,560,039,318.23
  5. Step 5: Solve for x
    x = 103,560,039,318.23/360,902.07
  6. Step 6: Final answer
    x = 286,947.76

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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.