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Finding the Fourth Proportional to 554,856.96, 831,935.52 and 305,713.92

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Solution

The fourth proportional to 554,856.96, 831,935.52 and 305,713.92 is: 458,378.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,856.96 : 831,935.52 = 305,713.92 : x
  2. Step 2: Convert to fraction form
    554,856.96/831,935.52 = 305,713.92/x
  3. Step 3: Cross multiply
    554,856.96x = 831,935.52 × 305,713.92
  4. Step 4: Simplify right side
    554,856.96x = 254,334,269,006.44
  5. Step 5: Solve for x
    x = 254,334,269,006.44/554,856.96
  6. Step 6: Final answer
    x = 458,378.08

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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.