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Finding the Fourth Proportional to 508,174.81, 701,263.60 and 281,841.37

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Solution

The fourth proportional to 508,174.81, 701,263.60 and 281,841.37 is: 388,931.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,174.81 : 701,263.60 = 281,841.37 : x
  2. Step 2: Convert to fraction form
    508,174.81/701,263.60 = 281,841.37/x
  3. Step 3: Cross multiply
    508,174.81x = 701,263.60 × 281,841.37
  4. Step 4: Simplify right side
    508,174.81x = 197,645,093,755.13
  5. Step 5: Solve for x
    x = 197,645,093,755.13/508,174.81
  6. Step 6: Final answer
    x = 388,931.31

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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.