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Finding the Fourth Proportional to 426,808.35, 589,007.40 and 235,834.11

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Solution

The fourth proportional to 426,808.35, 589,007.40 and 235,834.11 is: 325,457.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,808.35 : 589,007.40 = 235,834.11 : x
  2. Step 2: Convert to fraction form
    426,808.35/589,007.40 = 235,834.11/x
  3. Step 3: Cross multiply
    426,808.35x = 589,007.40 × 235,834.11
  4. Step 4: Simplify right side
    426,808.35x = 138,908,035,962.41
  5. Step 5: Solve for x
    x = 138,908,035,962.41/426,808.35
  6. Step 6: Final answer
    x = 325,457.63

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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.