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Finding the Fourth Proportional to 1,555,854, 2,334,174.84 and 433,923

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Solution

The fourth proportional to 1,555,854, 2,334,174.84 and 433,923 is: 650,994.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,555,854 : 2,334,174.84 = 433,923 : x
  2. Step 2: Convert to fraction form
    1,555,854/2,334,174.84 = 433,923/x
  3. Step 3: Cross multiply
    1,555,854x = 2,334,174.84 × 433,923
  4. Step 4: Simplify right side
    1,555,854x = 1,012,852,149,097.32
  5. Step 5: Solve for x
    x = 1,012,852,149,097.32/1,555,854
  6. Step 6: Final answer
    x = 650,994.34

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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.