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Finding the Fourth Proportional to 310,467.64, 465,554.04 and 141,937.96

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Solution

The fourth proportional to 310,467.64, 465,554.04 and 141,937.96 is: 212,839.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,467.64 : 465,554.04 = 141,937.96 : x
  2. Step 2: Convert to fraction form
    310,467.64/465,554.04 = 141,937.96/x
  3. Step 3: Cross multiply
    310,467.64x = 465,554.04 × 141,937.96
  4. Step 4: Simplify right side
    310,467.64x = 66,079,790,707.36
  5. Step 5: Solve for x
    x = 66,079,790,707.36/310,467.64
  6. Step 6: Final answer
    x = 212,839.54

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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.