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Finding the Fourth Proportional to 334,446.90, 501,482.27 and 109,788.51

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Solution

The fourth proportional to 334,446.90, 501,482.27 and 109,788.51 is: 164,621.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,446.90 : 501,482.27 = 109,788.51 : x
  2. Step 2: Convert to fraction form
    334,446.90/501,482.27 = 109,788.51/x
  3. Step 3: Cross multiply
    334,446.90x = 501,482.27 × 109,788.51
  4. Step 4: Simplify right side
    334,446.90x = 55,056,990,665.78
  5. Step 5: Solve for x
    x = 55,056,990,665.78/334,446.90
  6. Step 6: Final answer
    x = 164,621.02

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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.