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Finding the Fourth Proportional to 427,693.96, 590,238.66 and 246,434.32

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Solution

The fourth proportional to 427,693.96, 590,238.66 and 246,434.32 is: 340,091.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,693.96 : 590,238.66 = 246,434.32 : x
  2. Step 2: Convert to fraction form
    427,693.96/590,238.66 = 246,434.32/x
  3. Step 3: Cross multiply
    427,693.96x = 590,238.66 × 246,434.32
  4. Step 4: Simplify right side
    427,693.96x = 145,455,062,814.81
  5. Step 5: Solve for x
    x = 145,455,062,814.81/427,693.96
  6. Step 6: Final answer
    x = 340,091.46

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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.