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Finding the Fourth Proportional to 506,930.85, 761,380.41 and 373,283.28

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Solution

The fourth proportional to 506,930.85, 761,380.41 and 373,283.28 is: 560,649.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,930.85 : 761,380.41 = 373,283.28 : x
  2. Step 2: Convert to fraction form
    506,930.85/761,380.41 = 373,283.28/x
  3. Step 3: Cross multiply
    506,930.85x = 761,380.41 × 373,283.28
  4. Step 4: Simplify right side
    506,930.85x = 284,210,576,772.55
  5. Step 5: Solve for x
    x = 284,210,576,772.55/506,930.85
  6. Step 6: Final answer
    x = 560,649.60

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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.