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Finding the Fourth Proportional to 365,030.60, 547,286.70 and 140,304.20

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Solution

The fourth proportional to 365,030.60, 547,286.70 and 140,304.20 is: 210,356.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,030.60 : 547,286.70 = 140,304.20 : x
  2. Step 2: Convert to fraction form
    365,030.60/547,286.70 = 140,304.20/x
  3. Step 3: Cross multiply
    365,030.60x = 547,286.70 × 140,304.20
  4. Step 4: Simplify right side
    365,030.60x = 76,786,622,614.14
  5. Step 5: Solve for x
    x = 76,786,622,614.14/365,030.60
  6. Step 6: Final answer
    x = 210,356.67

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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.