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Finding the Fourth Proportional to 620,584.95, 930,858.83 and 171,333.24

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Solution

The fourth proportional to 620,584.95, 930,858.83 and 171,333.24 is: 256,994.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,584.95 : 930,858.83 = 171,333.24 : x
  2. Step 2: Convert to fraction form
    620,584.95/930,858.83 = 171,333.24/x
  3. Step 3: Cross multiply
    620,584.95x = 930,858.83 × 171,333.24
  4. Step 4: Simplify right side
    620,584.95x = 159,487,059,326.51
  5. Step 5: Solve for x
    x = 159,487,059,326.51/620,584.95
  6. Step 6: Final answer
    x = 256,994.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.