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Finding the Fourth Proportional to 368,676.30, 552,690.45 and 249,962.70

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Solution

The fourth proportional to 368,676.30, 552,690.45 and 249,962.70 is: 374,724.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,676.30 : 552,690.45 = 249,962.70 : x
  2. Step 2: Convert to fraction form
    368,676.30/552,690.45 = 249,962.70/x
  3. Step 3: Cross multiply
    368,676.30x = 552,690.45 × 249,962.70
  4. Step 4: Simplify right side
    368,676.30x = 138,151,997,146.22
  5. Step 5: Solve for x
    x = 138,151,997,146.22/368,676.30
  6. Step 6: Final answer
    x = 374,724.38

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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.