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Finding the Fourth Proportional to 436,313.65, 653,802.52 and 293,631.04

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Solution

The fourth proportional to 436,313.65, 653,802.52 and 293,631.04 is: 439,997.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,313.65 : 653,802.52 = 293,631.04 : x
  2. Step 2: Convert to fraction form
    436,313.65/653,802.52 = 293,631.04/x
  3. Step 3: Cross multiply
    436,313.65x = 653,802.52 × 293,631.04
  4. Step 4: Simplify right side
    436,313.65x = 191,976,713,902.22
  5. Step 5: Solve for x
    x = 191,976,713,902.22/436,313.65
  6. Step 6: Final answer
    x = 439,997.04

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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.