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Finding the Fourth Proportional to 460,144.92, 634,993.95 and 266,579.01

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Solution

The fourth proportional to 460,144.92, 634,993.95 and 266,579.01 is: 367,875.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,144.92 : 634,993.95 = 266,579.01 : x
  2. Step 2: Convert to fraction form
    460,144.92/634,993.95 = 266,579.01/x
  3. Step 3: Cross multiply
    460,144.92x = 634,993.95 × 266,579.01
  4. Step 4: Simplify right side
    460,144.92x = 169,276,058,546.99
  5. Step 5: Solve for x
    x = 169,276,058,546.99/460,144.92
  6. Step 6: Final answer
    x = 367,875.53

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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.