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Finding the Fourth Proportional to 426,808.34, 589,007.39 and 235,834.10

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Solution

The fourth proportional to 426,808.34, 589,007.39 and 235,834.10 is: 325,457.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,808.34 : 589,007.39 = 235,834.10 : x
  2. Step 2: Convert to fraction form
    426,808.34/589,007.39 = 235,834.10/x
  3. Step 3: Cross multiply
    426,808.34x = 589,007.39 × 235,834.10
  4. Step 4: Simplify right side
    426,808.34x = 138,908,023,589.79
  5. Step 5: Solve for x
    x = 138,908,023,589.79/426,808.34
  6. Step 6: Final answer
    x = 325,457.62

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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.