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Finding the Fourth Proportional to 440,994.60, 608,709.60 and 350,511.12

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Solution

The fourth proportional to 440,994.60, 608,709.60 and 350,511.12 is: 483,814.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,994.60 : 608,709.60 = 350,511.12 : x
  2. Step 2: Convert to fraction form
    440,994.60/608,709.60 = 350,511.12/x
  3. Step 3: Cross multiply
    440,994.60x = 608,709.60 × 350,511.12
  4. Step 4: Simplify right side
    440,994.60x = 213,359,483,650.75
  5. Step 5: Solve for x
    x = 213,359,483,650.75/440,994.60
  6. Step 6: Final answer
    x = 483,814.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.