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Finding the Fourth Proportional to 423,173.88, 583,990.71 and 232,187.22

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Solution

The fourth proportional to 423,173.88, 583,990.71 and 232,187.22 is: 320,424.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,173.88 : 583,990.71 = 232,187.22 : x
  2. Step 2: Convert to fraction form
    423,173.88/583,990.71 = 232,187.22/x
  3. Step 3: Cross multiply
    423,173.88x = 583,990.71 × 232,187.22
  4. Step 4: Simplify right side
    423,173.88x = 135,595,179,460.73
  5. Step 5: Solve for x
    x = 135,595,179,460.73/423,173.88
  6. Step 6: Final answer
    x = 320,424.26

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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.