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Finding the Fourth Proportional to 670,515.96, 925,313.94 and 364,592.46

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Solution

The fourth proportional to 670,515.96, 925,313.94 and 364,592.46 is: 503,138.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,515.96 : 925,313.94 = 364,592.46 : x
  2. Step 2: Convert to fraction form
    670,515.96/925,313.94 = 364,592.46/x
  3. Step 3: Cross multiply
    670,515.96x = 925,313.94 × 364,592.46
  4. Step 4: Simplify right side
    670,515.96x = 337,362,485,656.89
  5. Step 5: Solve for x
    x = 337,362,485,656.89/670,515.96
  6. Step 6: Final answer
    x = 503,138.64

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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.