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Finding the Fourth Proportional to 578,248.64, 867,453.60 and 262,784.96

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Solution

The fourth proportional to 578,248.64, 867,453.60 and 262,784.96 is: 394,214.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,248.64 : 867,453.60 = 262,784.96 : x
  2. Step 2: Convert to fraction form
    578,248.64/867,453.60 = 262,784.96/x
  3. Step 3: Cross multiply
    578,248.64x = 867,453.60 × 262,784.96
  4. Step 4: Simplify right side
    578,248.64x = 227,953,759,577.86
  5. Step 5: Solve for x
    x = 227,953,759,577.86/578,248.64
  6. Step 6: Final answer
    x = 394,214.09

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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.