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Finding the Fourth Proportional to 533,694.60, 736,471.08 and 291,930.12

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Solution

The fourth proportional to 533,694.60, 736,471.08 and 291,930.12 is: 402,848.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,694.60 : 736,471.08 = 291,930.12 : x
  2. Step 2: Convert to fraction form
    533,694.60/736,471.08 = 291,930.12/x
  3. Step 3: Cross multiply
    533,694.60x = 736,471.08 × 291,930.12
  4. Step 4: Simplify right side
    533,694.60x = 214,998,090,760.93
  5. Step 5: Solve for x
    x = 214,998,090,760.93/533,694.60
  6. Step 6: Final answer
    x = 402,848.54

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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.