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Finding the Fourth Proportional to 620,920.07, 930,600.98 and 265,516.17

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Solution

The fourth proportional to 620,920.07, 930,600.98 and 265,516.17 is: 397,941.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,920.07 : 930,600.98 = 265,516.17 : x
  2. Step 2: Convert to fraction form
    620,920.07/930,600.98 = 265,516.17/x
  3. Step 3: Cross multiply
    620,920.07x = 930,600.98 × 265,516.17
  4. Step 4: Simplify right side
    620,920.07x = 247,089,608,007.85
  5. Step 5: Solve for x
    x = 247,089,608,007.85/620,920.07
  6. Step 6: Final answer
    x = 397,941.09

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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.