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Finding the Fourth Proportional to 448,070.22, 617,995.44 and 304,588.44

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Solution

The fourth proportional to 448,070.22, 617,995.44 and 304,588.44 is: 420,099.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,070.22 : 617,995.44 = 304,588.44 : x
  2. Step 2: Convert to fraction form
    448,070.22/617,995.44 = 304,588.44/x
  3. Step 3: Cross multiply
    448,070.22x = 617,995.44 × 304,588.44
  4. Step 4: Simplify right side
    448,070.22x = 188,234,266,996.71
  5. Step 5: Solve for x
    x = 188,234,266,996.71/448,070.22
  6. Step 6: Final answer
    x = 420,099.93

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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.