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Finding the Fourth Proportional to 620,845.52, 931,268.30 and 177,613.52

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Solution

The fourth proportional to 620,845.52, 931,268.30 and 177,613.52 is: 266,420.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,845.52 : 931,268.30 = 177,613.52 : x
  2. Step 2: Convert to fraction form
    620,845.52/931,268.30 = 177,613.52/x
  3. Step 3: Cross multiply
    620,845.52x = 931,268.30 × 177,613.52
  4. Step 4: Simplify right side
    620,845.52x = 165,405,840,827.42
  5. Step 5: Solve for x
    x = 165,405,840,827.42/620,845.52
  6. Step 6: Final answer
    x = 266,420.29

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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.