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Finding the Fourth Proportional to 426,842.52, 589,023.80 and 235,851.80

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Solution

The fourth proportional to 426,842.52, 589,023.80 and 235,851.80 is: 325,465.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,842.52 : 589,023.80 = 235,851.80 : x
  2. Step 2: Convert to fraction form
    426,842.52/589,023.80 = 235,851.80/x
  3. Step 3: Cross multiply
    426,842.52x = 589,023.80 × 235,851.80
  4. Step 4: Simplify right side
    426,842.52x = 138,922,323,472.84
  5. Step 5: Solve for x
    x = 138,922,323,472.84/426,842.52
  6. Step 6: Final answer
    x = 325,465.05

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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.