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Finding the Fourth Proportional to 426,992.84, 589,280.64 and 236,002.10

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Solution

The fourth proportional to 426,992.84, 589,280.64 and 236,002.10 is: 325,699.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,992.84 : 589,280.64 = 236,002.10 : x
  2. Step 2: Convert to fraction form
    426,992.84/589,280.64 = 236,002.10/x
  3. Step 3: Cross multiply
    426,992.84x = 589,280.64 × 236,002.10
  4. Step 4: Simplify right side
    426,992.84x = 139,071,468,529.34
  5. Step 5: Solve for x
    x = 139,071,468,529.34/426,992.84
  6. Step 6: Final answer
    x = 325,699.77

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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.