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Finding the Fourth Proportional to 404,031.76, 557,567.72 and 222,750.32

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Solution

The fourth proportional to 404,031.76, 557,567.72 and 222,750.32 is: 307,397.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,031.76 : 557,567.72 = 222,750.32 : x
  2. Step 2: Convert to fraction form
    404,031.76/557,567.72 = 222,750.32/x
  3. Step 3: Cross multiply
    404,031.76x = 557,567.72 × 222,750.32
  4. Step 4: Simplify right side
    404,031.76x = 124,198,388,051.67
  5. Step 5: Solve for x
    x = 124,198,388,051.67/404,031.76
  6. Step 6: Final answer
    x = 307,397.59

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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.