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Finding the Fourth Proportional to 620,155.24, 930,062.70 and 170,770.60

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Solution

The fourth proportional to 620,155.24, 930,062.70 and 170,770.60 is: 256,109.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,155.24 : 930,062.70 = 170,770.60 : x
  2. Step 2: Convert to fraction form
    620,155.24/930,062.70 = 170,770.60/x
  3. Step 3: Cross multiply
    620,155.24x = 930,062.70 × 170,770.60
  4. Step 4: Simplify right side
    620,155.24x = 158,827,365,316.62
  5. Step 5: Solve for x
    x = 158,827,365,316.62/620,155.24
  6. Step 6: Final answer
    x = 256,109.04

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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.