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Finding the Fourth Proportional to 383,533.66, 529,522.95 and 247,628.62

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Solution

The fourth proportional to 383,533.66, 529,522.95 and 247,628.62 is: 341,886.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,533.66 : 529,522.95 = 247,628.62 : x
  2. Step 2: Convert to fraction form
    383,533.66/529,522.95 = 247,628.62/x
  3. Step 3: Cross multiply
    383,533.66x = 529,522.95 × 247,628.62
  4. Step 4: Simplify right side
    383,533.66x = 131,125,037,366.83
  5. Step 5: Solve for x
    x = 131,125,037,366.83/383,533.66
  6. Step 6: Final answer
    x = 341,886.65

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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.