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Finding the Fourth Proportional to 479,545.92, 719,334.32 and 251,783.84

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Solution

The fourth proportional to 479,545.92, 719,334.32 and 251,783.84 is: 377,683.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,545.92 : 719,334.32 = 251,783.84 : x
  2. Step 2: Convert to fraction form
    479,545.92/719,334.32 = 251,783.84/x
  3. Step 3: Cross multiply
    479,545.92x = 719,334.32 × 251,783.84
  4. Step 4: Simplify right side
    479,545.92x = 181,116,757,333.39
  5. Step 5: Solve for x
    x = 181,116,757,333.39/479,545.92
  6. Step 6: Final answer
    x = 377,683.87

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1.5x scale

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.