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Finding the Fourth Proportional to 362,658.56, 540,342.84 and 342,286.25

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Solution

The fourth proportional to 362,658.56, 540,342.84 and 342,286.25 is: 509,989.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,658.56 : 540,342.84 = 342,286.25 : x
  2. Step 2: Convert to fraction form
    362,658.56/540,342.84 = 342,286.25/x
  3. Step 3: Cross multiply
    362,658.56x = 540,342.84 × 342,286.25
  4. Step 4: Simplify right side
    362,658.56x = 184,951,922,706.52
  5. Step 5: Solve for x
    x = 184,951,922,706.52/362,658.56
  6. Step 6: Final answer
    x = 509,989.13

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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.