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Finding the Fourth Proportional to 253,466.32, 349,772.52 and 140,282.32

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Solution

The fourth proportional to 253,466.32, 349,772.52 and 140,282.32 is: 193,583.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,466.32 : 349,772.52 = 140,282.32 : x
  2. Step 2: Convert to fraction form
    253,466.32/349,772.52 = 140,282.32/x
  3. Step 3: Cross multiply
    253,466.32x = 349,772.52 × 140,282.32
  4. Step 4: Simplify right side
    253,466.32x = 49,066,900,577.85
  5. Step 5: Solve for x
    x = 49,066,900,577.85/253,466.32
  6. Step 6: Final answer
    x = 193,583.51

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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.