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Finding the Fourth Proportional to 620,750.82, 856,608.54 and 362,651.70

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Solution

The fourth proportional to 620,750.82, 856,608.54 and 362,651.70 is: 500,443.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,750.82 : 856,608.54 = 362,651.70 : x
  2. Step 2: Convert to fraction form
    620,750.82/856,608.54 = 362,651.70/x
  3. Step 3: Cross multiply
    620,750.82x = 856,608.54 × 362,651.70
  4. Step 4: Simplify right side
    620,750.82x = 310,650,543,265.52
  5. Step 5: Solve for x
    x = 310,650,543,265.52/620,750.82
  6. Step 6: Final answer
    x = 500,443.23

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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.