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Finding the Fourth Proportional to 322,339.95, 483,509.84 and 100,723.95

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Solution

The fourth proportional to 322,339.95, 483,509.84 and 100,723.95 is: 151,085.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,339.95 : 483,509.84 = 100,723.95 : x
  2. Step 2: Convert to fraction form
    322,339.95/483,509.84 = 100,723.95/x
  3. Step 3: Cross multiply
    322,339.95x = 483,509.84 × 100,723.95
  4. Step 4: Simplify right side
    322,339.95x = 48,701,020,445.05
  5. Step 5: Solve for x
    x = 48,701,020,445.05/322,339.95
  6. Step 6: Final answer
    x = 151,085.90

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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.