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Finding the Fourth Proportional to 376,573.68, 519,546.51 and 223,658.64

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Solution

The fourth proportional to 376,573.68, 519,546.51 and 223,658.64 is: 308,574.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,573.68 : 519,546.51 = 223,658.64 : x
  2. Step 2: Convert to fraction form
    376,573.68/519,546.51 = 223,658.64/x
  3. Step 3: Cross multiply
    376,573.68x = 519,546.51 × 223,658.64
  4. Step 4: Simplify right side
    376,573.68x = 116,201,065,843.35
  5. Step 5: Solve for x
    x = 116,201,065,843.35/376,573.68
  6. Step 6: Final answer
    x = 308,574.58

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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.