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Finding the Fourth Proportional to 243,313.78, 364,461.73 and 195,670.90

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Solution

The fourth proportional to 243,313.78, 364,461.73 and 195,670.90 is: 293,097.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,313.78 : 364,461.73 = 195,670.90 : x
  2. Step 2: Convert to fraction form
    243,313.78/364,461.73 = 195,670.90/x
  3. Step 3: Cross multiply
    243,313.78x = 364,461.73 × 195,670.90
  4. Step 4: Simplify right side
    243,313.78x = 71,314,554,724.66
  5. Step 5: Solve for x
    x = 71,314,554,724.66/243,313.78
  6. Step 6: Final answer
    x = 293,097.06

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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.