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Finding the Fourth Proportional to 403,888.33, 557,343.15 and 222,599.71

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Solution

The fourth proportional to 403,888.33, 557,343.15 and 222,599.71 is: 307,175.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,888.33 : 557,343.15 = 222,599.71 : x
  2. Step 2: Convert to fraction form
    403,888.33/557,343.15 = 222,599.71/x
  3. Step 3: Cross multiply
    403,888.33x = 557,343.15 × 222,599.71
  4. Step 4: Simplify right side
    403,888.33x = 124,064,423,560.49
  5. Step 5: Solve for x
    x = 124,064,423,560.49/403,888.33
  6. Step 6: Final answer
    x = 307,175.06

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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.