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Finding the Fourth Proportional to 508,173.81, 701,262.23 and 281,840.37

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Solution

The fourth proportional to 508,173.81, 701,262.23 and 281,840.37 is: 388,929.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,173.81 : 701,262.23 = 281,840.37 : x
  2. Step 2: Convert to fraction form
    508,173.81/701,262.23 = 281,840.37/x
  3. Step 3: Cross multiply
    508,173.81x = 701,262.23 × 281,840.37
  4. Step 4: Simplify right side
    508,173.81x = 197,644,004,961.02
  5. Step 5: Solve for x
    x = 197,644,004,961.02/508,173.81
  6. Step 6: Final answer
    x = 388,929.93

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1.5x scale

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.