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Finding the Fourth Proportional to 318,019.41, 438,871.91 and 182,052.81

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Solution

The fourth proportional to 318,019.41, 438,871.91 and 182,052.81 is: 251,235.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,019.41 : 438,871.91 = 182,052.81 : x
  2. Step 2: Convert to fraction form
    318,019.41/438,871.91 = 182,052.81/x
  3. Step 3: Cross multiply
    318,019.41x = 438,871.91 × 182,052.81
  4. Step 4: Simplify right side
    318,019.41x = 79,897,863,535.30
  5. Step 5: Solve for x
    x = 79,897,863,535.30/318,019.41
  6. Step 6: Final answer
    x = 251,235.81

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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.