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Finding the Fourth Proportional to 1,309,994.98, 1,964,992.47 and 363,365.70

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Solution

The fourth proportional to 1,309,994.98, 1,964,992.47 and 363,365.70 is: 545,048.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,309,994.98 : 1,964,992.47 = 363,365.70 : x
  2. Step 2: Convert to fraction form
    1,309,994.98/1,964,992.47 = 363,365.70/x
  3. Step 3: Cross multiply
    1,309,994.98x = 1,964,992.47 × 363,365.70
  4. Step 4: Simplify right side
    1,309,994.98x = 714,010,854,531.32
  5. Step 5: Solve for x
    x = 714,010,854,531.32/1,309,994.98
  6. Step 6: Final answer
    x = 545,048.54

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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.