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Finding the Fourth Proportional to 1,084,413, 1,627,066.12 and 476,889

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Solution

The fourth proportional to 1,084,413, 1,627,066.12 and 476,889 is: 715,529.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,084,413 : 1,627,066.12 = 476,889 : x
  2. Step 2: Convert to fraction form
    1,084,413/1,627,066.12 = 476,889/x
  3. Step 3: Cross multiply
    1,084,413x = 1,627,066.12 × 476,889
  4. Step 4: Simplify right side
    1,084,413x = 775,929,934,900.68
  5. Step 5: Solve for x
    x = 775,929,934,900.68/1,084,413
  6. Step 6: Final answer
    x = 715,529.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.