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Finding the Fourth Proportional to 423,645.81, 584,630.52 and 232,659.20

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Solution

The fourth proportional to 423,645.81, 584,630.52 and 232,659.20 is: 321,069.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,645.81 : 584,630.52 = 232,659.20 : x
  2. Step 2: Convert to fraction form
    423,645.81/584,630.52 = 232,659.20/x
  3. Step 3: Cross multiply
    423,645.81x = 584,630.52 × 232,659.20
  4. Step 4: Simplify right side
    423,645.81x = 136,019,668,837.36
  5. Step 5: Solve for x
    x = 136,019,668,837.36/423,645.81
  6. Step 6: Final answer
    x = 321,069.31

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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.