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Finding the Fourth Proportional to 353,448.20, 530,172.30 and 184,903.40

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Solution

The fourth proportional to 353,448.20, 530,172.30 and 184,903.40 is: 277,355.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,448.20 : 530,172.30 = 184,903.40 : x
  2. Step 2: Convert to fraction form
    353,448.20/530,172.30 = 184,903.40/x
  3. Step 3: Cross multiply
    353,448.20x = 530,172.30 × 184,903.40
  4. Step 4: Simplify right side
    353,448.20x = 98,030,660,855.82
  5. Step 5: Solve for x
    x = 98,030,660,855.82/353,448.20
  6. Step 6: Final answer
    x = 277,355.10

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.