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Finding the Fourth Proportional to 360,419.40, 540,636.30 and 94,163.40

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Solution

The fourth proportional to 360,419.40, 540,636.30 and 94,163.40 is: 141,246.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,419.40 : 540,636.30 = 94,163.40 : x
  2. Step 2: Convert to fraction form
    360,419.40/540,636.30 = 94,163.40/x
  3. Step 3: Cross multiply
    360,419.40x = 540,636.30 × 94,163.40
  4. Step 4: Simplify right side
    360,419.40x = 50,908,152,171.42
  5. Step 5: Solve for x
    x = 50,908,152,171.42/360,419.40
  6. Step 6: Final answer
    x = 141,246.98

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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.