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Finding the Fourth Proportional to 367,188.40, 506,532.60 and 239,938.48

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Solution

The fourth proportional to 367,188.40, 506,532.60 and 239,938.48 is: 330,992.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,188.40 : 506,532.60 = 239,938.48 : x
  2. Step 2: Convert to fraction form
    367,188.40/506,532.60 = 239,938.48/x
  3. Step 3: Cross multiply
    367,188.40x = 506,532.60 × 239,938.48
  4. Step 4: Simplify right side
    367,188.40x = 121,536,662,114.45
  5. Step 5: Solve for x
    x = 121,536,662,114.45/367,188.40
  6. Step 6: Final answer
    x = 330,992.65

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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.