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Finding the Fourth Proportional to 705,949.56, 974,216.52 and 383,659.74

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Solution

The fourth proportional to 705,949.56, 974,216.52 and 383,659.74 is: 529,453.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,949.56 : 974,216.52 = 383,659.74 : x
  2. Step 2: Convert to fraction form
    705,949.56/974,216.52 = 383,659.74/x
  3. Step 3: Cross multiply
    705,949.56x = 974,216.52 × 383,659.74
  4. Step 4: Simplify right side
    705,949.56x = 373,767,656,766.91
  5. Step 5: Solve for x
    x = 373,767,656,766.91/705,949.56
  6. Step 6: Final answer
    x = 529,453.77

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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.