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Finding the Fourth Proportional to 202,512.30, 303,768.45 and 190,848.30

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Solution

The fourth proportional to 202,512.30, 303,768.45 and 190,848.30 is: 286,272.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,512.30 : 303,768.45 = 190,848.30 : x
  2. Step 2: Convert to fraction form
    202,512.30/303,768.45 = 190,848.30/x
  3. Step 3: Cross multiply
    202,512.30x = 303,768.45 × 190,848.30
  4. Step 4: Simplify right side
    202,512.30x = 57,973,692,276.14
  5. Step 5: Solve for x
    x = 57,973,692,276.14/202,512.30
  6. Step 6: Final answer
    x = 286,272.45

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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.