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Finding the Fourth Proportional to 473,215.61, 653,039.03 and 303,450.41

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Solution

The fourth proportional to 473,215.61, 653,039.03 and 303,450.41 is: 418,762.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,215.61 : 653,039.03 = 303,450.41 : x
  2. Step 2: Convert to fraction form
    473,215.61/653,039.03 = 303,450.41/x
  3. Step 3: Cross multiply
    473,215.61x = 653,039.03 × 303,450.41
  4. Step 4: Simplify right side
    473,215.61x = 198,164,961,399.50
  5. Step 5: Solve for x
    x = 198,164,961,399.50/473,215.61
  6. Step 6: Final answer
    x = 418,762.52

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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.