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Finding the Fourth Proportional to 338,279.58, 506,792.97 and 169,603.02

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Solution

The fourth proportional to 338,279.58, 506,792.97 and 169,603.02 is: 254,090.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,279.58 : 506,792.97 = 169,603.02 : x
  2. Step 2: Convert to fraction form
    338,279.58/506,792.97 = 169,603.02/x
  3. Step 3: Cross multiply
    338,279.58x = 506,792.97 × 169,603.02
  4. Step 4: Simplify right side
    338,279.58x = 85,953,618,226.77
  5. Step 5: Solve for x
    x = 85,953,618,226.77/338,279.58
  6. Step 6: Final answer
    x = 254,090.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.