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Finding the Fourth Proportional to 362,350.80, 543,007.80 and 266,835.60

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Solution

The fourth proportional to 362,350.80, 543,007.80 and 266,835.60 is: 399,871.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,350.80 : 543,007.80 = 266,835.60 : x
  2. Step 2: Convert to fraction form
    362,350.80/543,007.80 = 266,835.60/x
  3. Step 3: Cross multiply
    362,350.80x = 543,007.80 × 266,835.60
  4. Step 4: Simplify right side
    362,350.80x = 144,893,812,117.68
  5. Step 5: Solve for x
    x = 144,893,812,117.68/362,350.80
  6. Step 6: Final answer
    x = 399,871.65

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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.