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Finding the Fourth Proportional to 356,879.33, 492,507.27 and 195,741.17

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Solution

The fourth proportional to 356,879.33, 492,507.27 and 195,741.17 is: 270,130.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,879.33 : 492,507.27 = 195,741.17 : x
  2. Step 2: Convert to fraction form
    356,879.33/492,507.27 = 195,741.17/x
  3. Step 3: Cross multiply
    356,879.33x = 492,507.27 × 195,741.17
  4. Step 4: Simplify right side
    356,879.33x = 96,403,946,800.77
  5. Step 5: Solve for x
    x = 96,403,946,800.77/356,879.33
  6. Step 6: Final answer
    x = 270,130.38

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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.