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Finding the Fourth Proportional to 638,063.46, 879,850.45 and 573,798.46

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Solution

The fourth proportional to 638,063.46, 879,850.45 and 573,798.46 is: 791,232.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,063.46 : 879,850.45 = 573,798.46 : x
  2. Step 2: Convert to fraction form
    638,063.46/879,850.45 = 573,798.46/x
  3. Step 3: Cross multiply
    638,063.46x = 879,850.45 × 573,798.46
  4. Step 4: Simplify right side
    638,063.46x = 504,856,833,240.31
  5. Step 5: Solve for x
    x = 504,856,833,240.31/638,063.46
  6. Step 6: Final answer
    x = 791,232.95

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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.