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Finding the Fourth Proportional to 555,505.76, 833,561.99 and 235,607.87

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Solution

The fourth proportional to 555,505.76, 833,561.99 and 235,607.87 is: 353,540.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,505.76 : 833,561.99 = 235,607.87 : x
  2. Step 2: Convert to fraction form
    555,505.76/833,561.99 = 235,607.87/x
  3. Step 3: Cross multiply
    555,505.76x = 833,561.99 × 235,607.87
  4. Step 4: Simplify right side
    555,505.76x = 196,393,759,631.01
  5. Step 5: Solve for x
    x = 196,393,759,631.01/555,505.76
  6. Step 6: Final answer
    x = 353,540.46

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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.