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Finding the Fourth Proportional to 362,509.60, 543,505.20 and 162,666.40

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Solution

The fourth proportional to 362,509.60, 543,505.20 and 162,666.40 is: 243,883.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,509.60 : 543,505.20 = 162,666.40 : x
  2. Step 2: Convert to fraction form
    362,509.60/543,505.20 = 162,666.40/x
  3. Step 3: Cross multiply
    362,509.60x = 543,505.20 × 162,666.40
  4. Step 4: Simplify right side
    362,509.60x = 88,410,034,265.28
  5. Step 5: Solve for x
    x = 88,410,034,265.28/362,509.60
  6. Step 6: Final answer
    x = 243,883.29

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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.