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Finding the Fourth Proportional to 547,559.60, 821,200.75 and 163,219.76

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Solution

The fourth proportional to 547,559.60, 821,200.75 and 163,219.76 is: 244,788.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,559.60 : 821,200.75 = 163,219.76 : x
  2. Step 2: Convert to fraction form
    547,559.60/821,200.75 = 163,219.76/x
  3. Step 3: Cross multiply
    547,559.60x = 821,200.75 × 163,219.76
  4. Step 4: Simplify right side
    547,559.60x = 134,036,184,812.77
  5. Step 5: Solve for x
    x = 134,036,184,812.77/547,559.60
  6. Step 6: Final answer
    x = 244,788.30

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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.