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Finding the Fourth Proportional to 352,266.30, 528,427.94 and 99,548.82

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Solution

The fourth proportional to 352,266.30, 528,427.94 and 99,548.82 is: 149,331.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,266.30 : 528,427.94 = 99,548.82 : x
  2. Step 2: Convert to fraction form
    352,266.30/528,427.94 = 99,548.82/x
  3. Step 3: Cross multiply
    352,266.30x = 528,427.94 × 99,548.82
  4. Step 4: Simplify right side
    352,266.30x = 52,604,377,384.29
  5. Step 5: Solve for x
    x = 52,604,377,384.29/352,266.30
  6. Step 6: Final answer
    x = 149,331.28

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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.