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Finding the Fourth Proportional to 356,365.16, 491,784.12 and 195,226.04

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Solution

The fourth proportional to 356,365.16, 491,784.12 and 195,226.04 is: 269,412.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,365.16 : 491,784.12 = 195,226.04 : x
  2. Step 2: Convert to fraction form
    356,365.16/491,784.12 = 195,226.04/x
  3. Step 3: Cross multiply
    356,365.16x = 491,784.12 × 195,226.04
  4. Step 4: Simplify right side
    356,365.16x = 96,009,066,282.48
  5. Step 5: Solve for x
    x = 96,009,066,282.48/356,365.16
  6. Step 6: Final answer
    x = 269,412.04

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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.