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Finding the Fourth Proportional to 292,504.64, 438,466.28 and 203,571.30

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Solution

The fourth proportional to 292,504.64, 438,466.28 and 203,571.30 is: 305,154.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,504.64 : 438,466.28 = 203,571.30 : x
  2. Step 2: Convert to fraction form
    292,504.64/438,466.28 = 203,571.30/x
  3. Step 3: Cross multiply
    292,504.64x = 438,466.28 × 203,571.30
  4. Step 4: Simplify right side
    292,504.64x = 89,259,150,625.76
  5. Step 5: Solve for x
    x = 89,259,150,625.76/292,504.64
  6. Step 6: Final answer
    x = 305,154.65

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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.