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Finding the Fourth Proportional to 477,328.01, 658,034.18 and 379,675.42

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Solution

The fourth proportional to 477,328.01, 658,034.18 and 379,675.42 is: 523,412.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,328.01 : 658,034.18 = 379,675.42 : x
  2. Step 2: Convert to fraction form
    477,328.01/658,034.18 = 379,675.42/x
  3. Step 3: Cross multiply
    477,328.01x = 658,034.18 × 379,675.42
  4. Step 4: Simplify right side
    477,328.01x = 249,839,401,546.18
  5. Step 5: Solve for x
    x = 249,839,401,546.18/477,328.01
  6. Step 6: Final answer
    x = 523,412.41

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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.