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Finding the Fourth Proportional to 655,551.34, 983,451.04 and 256,166.87

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Solution

The fourth proportional to 655,551.34, 983,451.04 and 256,166.87 is: 384,298.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,551.34 : 983,451.04 = 256,166.87 : x
  2. Step 2: Convert to fraction form
    655,551.34/983,451.04 = 256,166.87/x
  3. Step 3: Cross multiply
    655,551.34x = 983,451.04 × 256,166.87
  4. Step 4: Simplify right side
    655,551.34x = 251,927,569,157.37
  5. Step 5: Solve for x
    x = 251,927,569,157.37/655,551.34
  6. Step 6: Final answer
    x = 384,298.76

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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.