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Finding the Fourth Proportional to 415,636.98, 573,544.44 and 234,393.54

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Solution

The fourth proportional to 415,636.98, 573,544.44 and 234,393.54 is: 323,443.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,636.98 : 573,544.44 = 234,393.54 : x
  2. Step 2: Convert to fraction form
    415,636.98/573,544.44 = 234,393.54/x
  3. Step 3: Cross multiply
    415,636.98x = 573,544.44 × 234,393.54
  4. Step 4: Simplify right side
    415,636.98x = 134,435,111,638.92
  5. Step 5: Solve for x
    x = 134,435,111,638.92/415,636.98
  6. Step 6: Final answer
    x = 323,443.58

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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.