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Finding the Fourth Proportional to 670,596.97, 925,405.37 and 368,790.97

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Solution

The fourth proportional to 670,596.97, 925,405.37 and 368,790.97 is: 508,921.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,596.97 : 925,405.37 = 368,790.97 : x
  2. Step 2: Convert to fraction form
    670,596.97/925,405.37 = 368,790.97/x
  3. Step 3: Cross multiply
    670,596.97x = 925,405.37 × 368,790.97
  4. Step 4: Simplify right side
    670,596.97x = 341,281,142,201.55
  5. Step 5: Solve for x
    x = 341,281,142,201.55/670,596.97
  6. Step 6: Final answer
    x = 508,921.39

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Double scale
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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.