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Finding the Fourth Proportional to 369,249.48, 509,368.97 and 254,330.48

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Solution

The fourth proportional to 369,249.48, 509,368.97 and 254,330.48 is: 350,841.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,249.48 : 509,368.97 = 254,330.48 : x
  2. Step 2: Convert to fraction form
    369,249.48/509,368.97 = 254,330.48/x
  3. Step 3: Cross multiply
    369,249.48x = 509,368.97 × 254,330.48
  4. Step 4: Simplify right side
    369,249.48x = 129,548,056,546.45
  5. Step 5: Solve for x
    x = 129,548,056,546.45/369,249.48
  6. Step 6: Final answer
    x = 350,841.54

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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.