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Finding the Fourth Proportional to 533,905.54, 736,779.78 and 292,183.24

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Solution

The fourth proportional to 533,905.54, 736,779.78 and 292,183.24 is: 403,207.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,905.54 : 736,779.78 = 292,183.24 : x
  2. Step 2: Convert to fraction form
    533,905.54/736,779.78 = 292,183.24/x
  3. Step 3: Cross multiply
    533,905.54x = 736,779.78 × 292,183.24
  4. Step 4: Simplify right side
    533,905.54x = 215,274,703,286.89
  5. Step 5: Solve for x
    x = 215,274,703,286.89/533,905.54
  6. Step 6: Final answer
    x = 403,207.47

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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.