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Finding the Fourth Proportional to 426,898.24, 589,100.40 and 235,907.50

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Solution

The fourth proportional to 426,898.24, 589,100.40 and 235,907.50 is: 325,541.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,898.24 : 589,100.40 = 235,907.50 : x
  2. Step 2: Convert to fraction form
    426,898.24/589,100.40 = 235,907.50/x
  3. Step 3: Cross multiply
    426,898.24x = 589,100.40 × 235,907.50
  4. Step 4: Simplify right side
    426,898.24x = 138,973,202,613
  5. Step 5: Solve for x
    x = 138,973,202,613/426,898.24
  6. Step 6: Final answer
    x = 325,541.76

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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.