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Finding the Fourth Proportional to 508,506.60, 701,692.72 and 301,739.35

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Solution

The fourth proportional to 508,506.60, 701,692.72 and 301,739.35 is: 416,372.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,506.60 : 701,692.72 = 301,739.35 : x
  2. Step 2: Convert to fraction form
    508,506.60/701,692.72 = 301,739.35/x
  3. Step 3: Cross multiply
    508,506.60x = 701,692.72 × 301,739.35
  4. Step 4: Simplify right side
    508,506.60x = 211,728,306,437.46
  5. Step 5: Solve for x
    x = 211,728,306,437.46/508,506.60
  6. Step 6: Final answer
    x = 416,372.78

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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.