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Finding the Fourth Proportional to 556,573.20, 768,072.48 and 301,924.39

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Solution

The fourth proportional to 556,573.20, 768,072.48 and 301,924.39 is: 416,656.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,573.20 : 768,072.48 = 301,924.39 : x
  2. Step 2: Convert to fraction form
    556,573.20/768,072.48 = 301,924.39/x
  3. Step 3: Cross multiply
    556,573.20x = 768,072.48 × 301,924.39
  4. Step 4: Simplify right side
    556,573.20x = 231,899,813,137.93
  5. Step 5: Solve for x
    x = 231,899,813,137.93/556,573.20
  6. Step 6: Final answer
    x = 416,656.45

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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.