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Finding the Fourth Proportional to 262,549.44, 393,886.24 and 85,056.16

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Solution

The fourth proportional to 262,549.44, 393,886.24 and 85,056.16 is: 127,604.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,549.44 : 393,886.24 = 85,056.16 : x
  2. Step 2: Convert to fraction form
    262,549.44/393,886.24 = 85,056.16/x
  3. Step 3: Cross multiply
    262,549.44x = 393,886.24 × 85,056.16
  4. Step 4: Simplify right side
    262,549.44x = 33,502,451,051.24
  5. Step 5: Solve for x
    x = 33,502,451,051.24/262,549.44
  6. Step 6: Final answer
    x = 127,604.35

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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.