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Finding the Fourth Proportional to 579,307.68, 799,294.50 and 349,683.48

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Solution

The fourth proportional to 579,307.68, 799,294.50 and 349,683.48 is: 482,472.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,307.68 : 799,294.50 = 349,683.48 : x
  2. Step 2: Convert to fraction form
    579,307.68/799,294.50 = 349,683.48/x
  3. Step 3: Cross multiply
    579,307.68x = 799,294.50 × 349,683.48
  4. Step 4: Simplify right side
    579,307.68x = 279,500,082,304.86
  5. Step 5: Solve for x
    x = 279,500,082,304.86/579,307.68
  6. Step 6: Final answer
    x = 482,472.60

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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.