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Finding the Fourth Proportional to 301,281.90, 415,765.38 and 173,954.76

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Solution

The fourth proportional to 301,281.90, 415,765.38 and 173,954.76 is: 240,055.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,281.90 : 415,765.38 = 173,954.76 : x
  2. Step 2: Convert to fraction form
    301,281.90/415,765.38 = 173,954.76/x
  3. Step 3: Cross multiply
    301,281.90x = 415,765.38 × 173,954.76
  4. Step 4: Simplify right side
    301,281.90x = 72,324,366,894.21
  5. Step 5: Solve for x
    x = 72,324,366,894.21/301,281.90
  6. Step 6: Final answer
    x = 240,055.47

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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.