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Finding the Fourth Proportional to 289,014.38, 398,845.53 and 174,292.46

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Solution

The fourth proportional to 289,014.38, 398,845.53 and 174,292.46 is: 240,527.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,014.38 : 398,845.53 = 174,292.46 : x
  2. Step 2: Convert to fraction form
    289,014.38/398,845.53 = 174,292.46/x
  3. Step 3: Cross multiply
    289,014.38x = 398,845.53 × 174,292.46
  4. Step 4: Simplify right side
    289,014.38x = 69,515,768,583.70
  5. Step 5: Solve for x
    x = 69,515,768,583.70/289,014.38
  6. Step 6: Final answer
    x = 240,527.02

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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.