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Finding the Fourth Proportional to 603,652.72, 832,977.12 and 349,085.92

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Solution

The fourth proportional to 603,652.72, 832,977.12 and 349,085.92 is: 481,701.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,652.72 : 832,977.12 = 349,085.92 : x
  2. Step 2: Convert to fraction form
    603,652.72/832,977.12 = 349,085.92/x
  3. Step 3: Cross multiply
    603,652.72x = 832,977.12 × 349,085.92
  4. Step 4: Simplify right side
    603,652.72x = 290,780,584,274.15
  5. Step 5: Solve for x
    x = 290,780,584,274.15/603,652.72
  6. Step 6: Final answer
    x = 481,701.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.