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Finding the Fourth Proportional to 362,280.60, 543,420.90 and 228,727.80

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Solution

The fourth proportional to 362,280.60, 543,420.90 and 228,727.80 is: 343,091.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,280.60 : 543,420.90 = 228,727.80 : x
  2. Step 2: Convert to fraction form
    362,280.60/543,420.90 = 228,727.80/x
  3. Step 3: Cross multiply
    362,280.60x = 543,420.90 × 228,727.80
  4. Step 4: Simplify right side
    362,280.60x = 124,295,466,931.02
  5. Step 5: Solve for x
    x = 124,295,466,931.02/362,280.60
  6. Step 6: Final answer
    x = 343,091.70

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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.