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Finding the Fourth Proportional to 356,560.99, 492,058.07 and 195,412.57

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Solution

The fourth proportional to 356,560.99, 492,058.07 and 195,412.57 is: 269,671.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,560.99 : 492,058.07 = 195,412.57 : x
  2. Step 2: Convert to fraction form
    356,560.99/492,058.07 = 195,412.57/x
  3. Step 3: Cross multiply
    356,560.99x = 492,058.07 × 195,412.57
  4. Step 4: Simplify right side
    356,560.99x = 96,154,332,047.94
  5. Step 5: Solve for x
    x = 96,154,332,047.94/356,560.99
  6. Step 6: Final answer
    x = 269,671.49

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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.