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Finding the Fourth Proportional to 448,482.78, 671,962.91 and 270,616.05

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Solution

The fourth proportional to 448,482.78, 671,962.91 and 270,616.05 is: 405,464.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,482.78 : 671,962.91 = 270,616.05 : x
  2. Step 2: Convert to fraction form
    448,482.78/671,962.91 = 270,616.05/x
  3. Step 3: Cross multiply
    448,482.78x = 671,962.91 × 270,616.05
  4. Step 4: Simplify right side
    448,482.78x = 181,843,947,097.63
  5. Step 5: Solve for x
    x = 181,843,947,097.63/448,482.78
  6. Step 6: Final answer
    x = 405,464.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.