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Finding the Fourth Proportional to 362,387.16, 543,099.58 and 162,670.32

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Solution

The fourth proportional to 362,387.16, 543,099.58 and 162,670.32 is: 243,789.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,387.16 : 543,099.58 = 162,670.32 : x
  2. Step 2: Convert to fraction form
    362,387.16/543,099.58 = 162,670.32/x
  3. Step 3: Cross multiply
    362,387.16x = 543,099.58 × 162,670.32
  4. Step 4: Simplify right side
    362,387.16x = 88,346,182,470.47
  5. Step 5: Solve for x
    x = 88,346,182,470.47/362,387.16
  6. Step 6: Final answer
    x = 243,789.49

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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.