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Finding the Fourth Proportional to 479,672, 719,542.88 and 184,184

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Solution

The fourth proportional to 479,672, 719,542.88 and 184,184 is: 276,289.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,672 : 719,542.88 = 184,184 : x
  2. Step 2: Convert to fraction form
    479,672/719,542.88 = 184,184/x
  3. Step 3: Cross multiply
    479,672x = 719,542.88 × 184,184
  4. Step 4: Simplify right side
    479,672x = 132,528,285,809.92
  5. Step 5: Solve for x
    x = 132,528,285,809.92/479,672
  6. Step 6: Final answer
    x = 276,289.39

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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.