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Finding the Fourth Proportional to 618,466.94, 926,635.32 and 483,478.50

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Solution

The fourth proportional to 618,466.94, 926,635.32 and 483,478.50 is: 724,385.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,466.94 : 926,635.32 = 483,478.50 : x
  2. Step 2: Convert to fraction form
    618,466.94/926,635.32 = 483,478.50/x
  3. Step 3: Cross multiply
    618,466.94x = 926,635.32 × 483,478.50
  4. Step 4: Simplify right side
    618,466.94x = 448,008,254,560.62
  5. Step 5: Solve for x
    x = 448,008,254,560.62/618,466.94
  6. Step 6: Final answer
    x = 724,385.14

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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.