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Finding the Fourth Proportional to 555,157.64, 832,611.86 and 255,350.24

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Solution

The fourth proportional to 555,157.64, 832,611.86 and 255,350.24 is: 382,968.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,157.64 : 832,611.86 = 255,350.24 : x
  2. Step 2: Convert to fraction form
    555,157.64/832,611.86 = 255,350.24/x
  3. Step 3: Cross multiply
    555,157.64x = 832,611.86 × 255,350.24
  4. Step 4: Simplify right side
    555,157.64x = 212,607,638,277.85
  5. Step 5: Solve for x
    x = 212,607,638,277.85/555,157.64
  6. Step 6: Final answer
    x = 382,968.05

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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.