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Finding the Fourth Proportional to 426,897.54, 589,072.50 and 235,884.96

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Solution

The fourth proportional to 426,897.54, 589,072.50 and 235,884.96 is: 325,495.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,897.54 : 589,072.50 = 235,884.96 : x
  2. Step 2: Convert to fraction form
    426,897.54/589,072.50 = 235,884.96/x
  3. Step 3: Cross multiply
    426,897.54x = 589,072.50 × 235,884.96
  4. Step 4: Simplify right side
    426,897.54x = 138,953,343,099.60
  5. Step 5: Solve for x
    x = 138,953,343,099.60/426,897.54
  6. Step 6: Final answer
    x = 325,495.77

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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.