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Finding the Fourth Proportional to 375,903.84, 563,859.42 and 300,926.22

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Solution

The fourth proportional to 375,903.84, 563,859.42 and 300,926.22 is: 451,392.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,903.84 : 563,859.42 = 300,926.22 : x
  2. Step 2: Convert to fraction form
    375,903.84/563,859.42 = 300,926.22/x
  3. Step 3: Cross multiply
    375,903.84x = 563,859.42 × 300,926.22
  4. Step 4: Simplify right side
    375,903.84x = 169,680,083,871.99
  5. Step 5: Solve for x
    x = 169,680,083,871.99/375,903.84
  6. Step 6: Final answer
    x = 451,392.26

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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.