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Finding the Fourth Proportional to 540,342.06, 810,393.67 and 156,007.43

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Solution

The fourth proportional to 540,342.06, 810,393.67 and 156,007.43 is: 233,976.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,342.06 : 810,393.67 = 156,007.43 : x
  2. Step 2: Convert to fraction form
    540,342.06/810,393.67 = 156,007.43/x
  3. Step 3: Cross multiply
    540,342.06x = 810,393.67 × 156,007.43
  4. Step 4: Simplify right side
    540,342.06x = 126,427,433,744.97
  5. Step 5: Solve for x
    x = 126,427,433,744.97/540,342.06
  6. Step 6: Final answer
    x = 233,976.67

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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.