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Finding the Fourth Proportional to 436,788.30, 655,212.38 and 148,482.62

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Solution

The fourth proportional to 436,788.30, 655,212.38 and 148,482.62 is: 222,734.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,788.30 : 655,212.38 = 148,482.62 : x
  2. Step 2: Convert to fraction form
    436,788.30/655,212.38 = 148,482.62/x
  3. Step 3: Cross multiply
    436,788.30x = 655,212.38 × 148,482.62
  4. Step 4: Simplify right side
    436,788.30x = 97,287,646,820.36
  5. Step 5: Solve for x
    x = 97,287,646,820.36/436,788.30
  6. Step 6: Final answer
    x = 222,734.10

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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.