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Finding the Fourth Proportional to 354,258.45, 531,272.54 and 117,537.57

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Solution

The fourth proportional to 354,258.45, 531,272.54 and 117,537.57 is: 176,268.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,258.45 : 531,272.54 = 117,537.57 : x
  2. Step 2: Convert to fraction form
    354,258.45/531,272.54 = 117,537.57/x
  3. Step 3: Cross multiply
    354,258.45x = 531,272.54 × 117,537.57
  4. Step 4: Simplify right side
    354,258.45x = 62,444,482,771.64
  5. Step 5: Solve for x
    x = 62,444,482,771.64/354,258.45
  6. Step 6: Final answer
    x = 176,268.15

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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.