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Finding the Fourth Proportional to 453,692.10, 626,058 and 262,717.86

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Solution

The fourth proportional to 453,692.10, 626,058 and 262,717.86 is: 362,529.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,692.10 : 626,058 = 262,717.86 : x
  2. Step 2: Convert to fraction form
    453,692.10/626,058 = 262,717.86/x
  3. Step 3: Cross multiply
    453,692.10x = 626,058 × 262,717.86
  4. Step 4: Simplify right side
    453,692.10x = 164,476,617,995.88
  5. Step 5: Solve for x
    x = 164,476,617,995.88/453,692.10
  6. Step 6: Final answer
    x = 362,529.16

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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.