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Finding the Fourth Proportional to 319,358.96, 440,700.53 and 183,297.14

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Solution

The fourth proportional to 319,358.96, 440,700.53 and 183,297.14 is: 252,941.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,358.96 : 440,700.53 = 183,297.14 : x
  2. Step 2: Convert to fraction form
    319,358.96/440,700.53 = 183,297.14/x
  3. Step 3: Cross multiply
    319,358.96x = 440,700.53 × 183,297.14
  4. Step 4: Simplify right side
    319,358.96x = 80,779,146,745.48
  5. Step 5: Solve for x
    x = 80,779,146,745.48/319,358.96
  6. Step 6: Final answer
    x = 252,941.54

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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.