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Finding the Fourth Proportional to 411,067.08, 567,364.05 and 249,888

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Solution

The fourth proportional to 411,067.08, 567,364.05 and 249,888 is: 344,901.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,067.08 : 567,364.05 = 249,888 : x
  2. Step 2: Convert to fraction form
    411,067.08/567,364.05 = 249,888/x
  3. Step 3: Cross multiply
    411,067.08x = 567,364.05 × 249,888
  4. Step 4: Simplify right side
    411,067.08x = 141,777,467,726.40
  5. Step 5: Solve for x
    x = 141,777,467,726.40/411,067.08
  6. Step 6: Final answer
    x = 344,901.05

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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.