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Finding the Fourth Proportional to 325,817.40, 450,001.26 and 259,565.88

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Solution

The fourth proportional to 325,817.40, 450,001.26 and 259,565.88 is: 358,498.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,817.40 : 450,001.26 = 259,565.88 : x
  2. Step 2: Convert to fraction form
    325,817.40/450,001.26 = 259,565.88/x
  3. Step 3: Cross multiply
    325,817.40x = 450,001.26 × 259,565.88
  4. Step 4: Simplify right side
    325,817.40x = 116,804,973,053.01
  5. Step 5: Solve for x
    x = 116,804,973,053.01/325,817.40
  6. Step 6: Final answer
    x = 358,498.27

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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.