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Finding the Fourth Proportional to 533,157.96, 735,777.78 and 291,456.93

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Solution

The fourth proportional to 533,157.96, 735,777.78 and 291,456.93 is: 402,221.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,157.96 : 735,777.78 = 291,456.93 : x
  2. Step 2: Convert to fraction form
    533,157.96/735,777.78 = 291,456.93/x
  3. Step 3: Cross multiply
    533,157.96x = 735,777.78 × 291,456.93
  4. Step 4: Simplify right side
    533,157.96x = 214,447,532,921.02
  5. Step 5: Solve for x
    x = 214,447,532,921.02/533,157.96
  6. Step 6: Final answer
    x = 402,221.38

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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.