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Finding the Fourth Proportional to 354,052.05, 488,597.40 and 192,907.05

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Solution

The fourth proportional to 354,052.05, 488,597.40 and 192,907.05 is: 266,214.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,052.05 : 488,597.40 = 192,907.05 : x
  2. Step 2: Convert to fraction form
    354,052.05/488,597.40 = 192,907.05/x
  3. Step 3: Cross multiply
    354,052.05x = 488,597.40 × 192,907.05
  4. Step 4: Simplify right side
    354,052.05x = 94,253,883,071.67
  5. Step 5: Solve for x
    x = 94,253,883,071.67/354,052.05
  6. Step 6: Final answer
    x = 266,214.76

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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.