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Finding the Fourth Proportional to 426,171, 588,130.08 and 232,589.28

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Solution

The fourth proportional to 426,171, 588,130.08 and 232,589.28 is: 320,980.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,171 : 588,130.08 = 232,589.28 : x
  2. Step 2: Convert to fraction form
    426,171/588,130.08 = 232,589.28/x
  3. Step 3: Cross multiply
    426,171x = 588,130.08 × 232,589.28
  4. Step 4: Simplify right side
    426,171x = 136,792,751,853.54
  5. Step 5: Solve for x
    x = 136,792,751,853.54/426,171
  6. Step 6: Final answer
    x = 320,980.90

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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.