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Finding the Fourth Proportional to 235,004.40, 351,988.20 and 141,346.80

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Solution

The fourth proportional to 235,004.40, 351,988.20 and 141,346.80 is: 211,708.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,004.40 : 351,988.20 = 141,346.80 : x
  2. Step 2: Convert to fraction form
    235,004.40/351,988.20 = 141,346.80/x
  3. Step 3: Cross multiply
    235,004.40x = 351,988.20 × 141,346.80
  4. Step 4: Simplify right side
    235,004.40x = 49,752,405,707.76
  5. Step 5: Solve for x
    x = 49,752,405,707.76/235,004.40
  6. Step 6: Final answer
    x = 211,708.40

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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.