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Finding the Fourth Proportional to 351,079.12, 526,913.54 and 151,550.20

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Solution

The fourth proportional to 351,079.12, 526,913.54 and 151,550.20 is: 227,452.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,079.12 : 526,913.54 = 151,550.20 : x
  2. Step 2: Convert to fraction form
    351,079.12/526,913.54 = 151,550.20/x
  3. Step 3: Cross multiply
    351,079.12x = 526,913.54 × 151,550.20
  4. Step 4: Simplify right side
    351,079.12x = 79,853,852,369.71
  5. Step 5: Solve for x
    x = 79,853,852,369.71/351,079.12
  6. Step 6: Final answer
    x = 227,452.58

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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.