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Finding the Fourth Proportional to 545,532, 818,327.16 and 171,584.16

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Solution

The fourth proportional to 545,532, 818,327.16 and 171,584.16 is: 257,385.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,532 : 818,327.16 = 171,584.16 : x
  2. Step 2: Convert to fraction form
    545,532/818,327.16 = 171,584.16/x
  3. Step 3: Cross multiply
    545,532x = 818,327.16 × 171,584.16
  4. Step 4: Simplify right side
    545,532x = 140,411,978,353.79
  5. Step 5: Solve for x
    x = 140,411,978,353.79/545,532
  6. Step 6: Final answer
    x = 257,385.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.