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Finding the Fourth Proportional to 577,022.70, 865,534.05 and 257,173.95

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Solution

The fourth proportional to 577,022.70, 865,534.05 and 257,173.95 is: 385,760.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,022.70 : 865,534.05 = 257,173.95 : x
  2. Step 2: Convert to fraction form
    577,022.70/865,534.05 = 257,173.95/x
  3. Step 3: Cross multiply
    577,022.70x = 865,534.05 × 257,173.95
  4. Step 4: Simplify right side
    577,022.70x = 222,592,810,498.00
  5. Step 5: Solve for x
    x = 222,592,810,498.00/577,022.70
  6. Step 6: Final answer
    x = 385,760.93

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Similar ratio
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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.