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Finding the Fourth Proportional to 427,894.72, 590,534.34 and 236,908.12

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Solution

The fourth proportional to 427,894.72, 590,534.34 and 236,908.12 is: 326,955.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,894.72 : 590,534.34 = 236,908.12 : x
  2. Step 2: Convert to fraction form
    427,894.72/590,534.34 = 236,908.12/x
  3. Step 3: Cross multiply
    427,894.72x = 590,534.34 × 236,908.12
  4. Step 4: Simplify right side
    427,894.72x = 139,902,380,284.84
  5. Step 5: Solve for x
    x = 139,902,380,284.84/427,894.72
  6. Step 6: Final answer
    x = 326,955.15

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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.