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Finding the Fourth Proportional to 292,461, 403,596.72 and 158,325

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Solution

The fourth proportional to 292,461, 403,596.72 and 158,325 is: 218,488.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,461 : 403,596.72 = 158,325 : x
  2. Step 2: Convert to fraction form
    292,461/403,596.72 = 158,325/x
  3. Step 3: Cross multiply
    292,461x = 403,596.72 × 158,325
  4. Step 4: Simplify right side
    292,461x = 63,899,450,694.00
  5. Step 5: Solve for x
    x = 63,899,450,694.00/292,461
  6. Step 6: Final answer
    x = 218,488.79

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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.