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Finding the Fourth Proportional to 404,280.93, 557,897.90 and 222,988.96

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Solution

The fourth proportional to 404,280.93, 557,897.90 and 222,988.96 is: 307,719.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,280.93 : 557,897.90 = 222,988.96 : x
  2. Step 2: Convert to fraction form
    404,280.93/557,897.90 = 222,988.96/x
  3. Step 3: Cross multiply
    404,280.93x = 557,897.90 × 222,988.96
  4. Step 4: Simplify right side
    404,280.93x = 124,405,073,971.08
  5. Step 5: Solve for x
    x = 124,405,073,971.08/404,280.93
  6. Step 6: Final answer
    x = 307,719.38

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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.