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Finding the Fourth Proportional to 395,913.20, 594,000.12 and 263,315.12

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Solution

The fourth proportional to 395,913.20, 594,000.12 and 263,315.12 is: 395,059.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,913.20 : 594,000.12 = 263,315.12 : x
  2. Step 2: Convert to fraction form
    395,913.20/594,000.12 = 263,315.12/x
  3. Step 3: Cross multiply
    395,913.20x = 594,000.12 × 263,315.12
  4. Step 4: Simplify right side
    395,913.20x = 156,409,212,877.81
  5. Step 5: Solve for x
    x = 156,409,212,877.81/395,913.20
  6. Step 6: Final answer
    x = 395,059.35

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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.