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Finding the Fourth Proportional to 356,854.96, 492,466.16 and 195,708.60

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Solution

The fourth proportional to 356,854.96, 492,466.16 and 195,708.60 is: 270,081.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,854.96 : 492,466.16 = 195,708.60 : x
  2. Step 2: Convert to fraction form
    356,854.96/492,466.16 = 195,708.60/x
  3. Step 3: Cross multiply
    356,854.96x = 492,466.16 × 195,708.60
  4. Step 4: Simplify right side
    356,854.96x = 96,379,862,720.98
  5. Step 5: Solve for x
    x = 96,379,862,720.98/356,854.96
  6. Step 6: Final answer
    x = 270,081.33

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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.