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Finding the Fourth Proportional to 352,537, 486,501.06 and 193,561

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Solution

The fourth proportional to 352,537, 486,501.06 and 193,561 is: 267,114.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,537 : 486,501.06 = 193,561 : x
  2. Step 2: Convert to fraction form
    352,537/486,501.06 = 193,561/x
  3. Step 3: Cross multiply
    352,537x = 486,501.06 × 193,561
  4. Step 4: Simplify right side
    352,537x = 94,167,631,674.66
  5. Step 5: Solve for x
    x = 94,167,631,674.66/352,537
  6. Step 6: Final answer
    x = 267,114.18

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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.