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Finding the Fourth Proportional to 508,174.07, 701,262.57 and 281,840.63

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Solution

The fourth proportional to 508,174.07, 701,262.57 and 281,840.63 is: 388,930.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,174.07 : 701,262.57 = 281,840.63 : x
  2. Step 2: Convert to fraction form
    508,174.07/701,262.57 = 281,840.63/x
  3. Step 3: Cross multiply
    508,174.07x = 701,262.57 × 281,840.63
  4. Step 4: Simplify right side
    508,174.07x = 197,644,281,017.91
  5. Step 5: Solve for x
    x = 197,644,281,017.91/508,174.07
  6. Step 6: Final answer
    x = 388,930.28

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Double scale
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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.