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Finding the Fourth Proportional to 457,959.94, 631,958.95 and 253,996.22

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Solution

The fourth proportional to 457,959.94, 631,958.95 and 253,996.22 is: 350,500.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,959.94 : 631,958.95 = 253,996.22 : x
  2. Step 2: Convert to fraction form
    457,959.94/631,958.95 = 253,996.22/x
  3. Step 3: Cross multiply
    457,959.94x = 631,958.95 × 253,996.22
  4. Step 4: Simplify right side
    457,959.94x = 160,515,184,495.17
  5. Step 5: Solve for x
    x = 160,515,184,495.17/457,959.94
  6. Step 6: Final answer
    x = 350,500.49

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Double scale
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Similar ratio
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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.