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Finding the Fourth Proportional to 347,661.68, 521,492.52 and 189,804

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Solution

The fourth proportional to 347,661.68, 521,492.52 and 189,804 is: 284,706

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,661.68 : 521,492.52 = 189,804 : x
  2. Step 2: Convert to fraction form
    347,661.68/521,492.52 = 189,804/x
  3. Step 3: Cross multiply
    347,661.68x = 521,492.52 × 189,804
  4. Step 4: Simplify right side
    347,661.68x = 98,981,366,266.08
  5. Step 5: Solve for x
    x = 98,981,366,266.08/347,661.68
  6. Step 6: Final answer
    x = 284,706

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.