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Finding the Fourth Proportional to 533,378.92, 735,716.08 and 342,089.32

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Solution

The fourth proportional to 533,378.92, 735,716.08 and 342,089.32 is: 471,860.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,378.92 : 735,716.08 = 342,089.32 : x
  2. Step 2: Convert to fraction form
    533,378.92/735,716.08 = 342,089.32/x
  3. Step 3: Cross multiply
    533,378.92x = 735,716.08 × 342,089.32
  4. Step 4: Simplify right side
    533,378.92x = 251,680,613,520.27
  5. Step 5: Solve for x
    x = 251,680,613,520.27/533,378.92
  6. Step 6: Final answer
    x = 471,860.82

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.