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Finding the Fourth Proportional to 427,570.25, 590,038.43 and 236,583.59

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Solution

The fourth proportional to 427,570.25, 590,038.43 and 236,583.59 is: 326,480.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,570.25 : 590,038.43 = 236,583.59 : x
  2. Step 2: Convert to fraction form
    427,570.25/590,038.43 = 236,583.59/x
  3. Step 3: Cross multiply
    427,570.25x = 590,038.43 × 236,583.59
  4. Step 4: Simplify right side
    427,570.25x = 139,593,405,874.25
  5. Step 5: Solve for x
    x = 139,593,405,874.25/427,570.25
  6. Step 6: Final answer
    x = 326,480.64

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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.