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Finding the Fourth Proportional to 374,955.40, 562,481.70 and 185,512.60

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Solution

The fourth proportional to 374,955.40, 562,481.70 and 185,512.60 is: 278,292.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,955.40 : 562,481.70 = 185,512.60 : x
  2. Step 2: Convert to fraction form
    374,955.40/562,481.70 = 185,512.60/x
  3. Step 3: Cross multiply
    374,955.40x = 562,481.70 × 185,512.60
  4. Step 4: Simplify right side
    374,955.40x = 104,347,442,619.42
  5. Step 5: Solve for x
    x = 104,347,442,619.42/374,955.40
  6. Step 6: Final answer
    x = 278,292.95

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1.5x scale

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.