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Finding the Fourth Proportional to 482,438.02, 665,328.78 and 301,166.70

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Solution

The fourth proportional to 482,438.02, 665,328.78 and 301,166.70 is: 415,338.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,438.02 : 665,328.78 = 301,166.70 : x
  2. Step 2: Convert to fraction form
    482,438.02/665,328.78 = 301,166.70/x
  3. Step 3: Cross multiply
    482,438.02x = 665,328.78 × 301,166.70
  4. Step 4: Simplify right side
    482,438.02x = 200,374,873,087.63
  5. Step 5: Solve for x
    x = 200,374,873,087.63/482,438.02
  6. Step 6: Final answer
    x = 415,338.06

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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.