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Finding the Fourth Proportional to 426,886.01, 589,102.49 and 235,897.73

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Solution

The fourth proportional to 426,886.01, 589,102.49 and 235,897.73 is: 325,538.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,886.01 : 589,102.49 = 235,897.73 : x
  2. Step 2: Convert to fraction form
    426,886.01/589,102.49 = 235,897.73/x
  3. Step 3: Cross multiply
    426,886.01x = 589,102.49 × 235,897.73
  4. Step 4: Simplify right side
    426,886.01x = 138,967,937,772.58
  5. Step 5: Solve for x
    x = 138,967,937,772.58/426,886.01
  6. Step 6: Final answer
    x = 325,538.75

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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.