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Finding the Fourth Proportional to 362,659.56, 540,344.32 and 342,287.25

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Solution

The fourth proportional to 362,659.56, 540,344.32 and 342,287.25 is: 509,990.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,659.56 : 540,344.32 = 342,287.25 : x
  2. Step 2: Convert to fraction form
    362,659.56/540,344.32 = 342,287.25/x
  3. Step 3: Cross multiply
    362,659.56x = 540,344.32 × 342,287.25
  4. Step 4: Simplify right side
    362,659.56x = 184,952,971,345.92
  5. Step 5: Solve for x
    x = 184,952,971,345.92/362,659.56
  6. Step 6: Final answer
    x = 509,990.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.