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Finding the Fourth Proportional to 351,084.03, 484,496 and 189,938.98

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Solution

The fourth proportional to 351,084.03, 484,496 and 189,938.98 is: 262,115.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,084.03 : 484,496 = 189,938.98 : x
  2. Step 2: Convert to fraction form
    351,084.03/484,496 = 189,938.98/x
  3. Step 3: Cross multiply
    351,084.03x = 484,496 × 189,938.98
  4. Step 4: Simplify right side
    351,084.03x = 92,024,676,054.08
  5. Step 5: Solve for x
    x = 92,024,676,054.08/351,084.03
  6. Step 6: Final answer
    x = 262,115.81

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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.