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Finding the Fourth Proportional to 423,272.17, 584,122.62 and 232,303.33

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Solution

The fourth proportional to 423,272.17, 584,122.62 and 232,303.33 is: 320,582.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,272.17 : 584,122.62 = 232,303.33 : x
  2. Step 2: Convert to fraction form
    423,272.17/584,122.62 = 232,303.33/x
  3. Step 3: Cross multiply
    423,272.17x = 584,122.62 × 232,303.33
  4. Step 4: Simplify right side
    423,272.17x = 135,693,629,754.33
  5. Step 5: Solve for x
    x = 135,693,629,754.33/423,272.17
  6. Step 6: Final answer
    x = 320,582.45

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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.