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Finding the Fourth Proportional to 370,038.48, 555,279.12 and 159,676.38

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Solution

The fourth proportional to 370,038.48, 555,279.12 and 159,676.38 is: 239,610.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,038.48 : 555,279.12 = 159,676.38 : x
  2. Step 2: Convert to fraction form
    370,038.48/555,279.12 = 159,676.38/x
  3. Step 3: Cross multiply
    370,038.48x = 555,279.12 × 159,676.38
  4. Step 4: Simplify right side
    370,038.48x = 88,664,959,771.19
  5. Step 5: Solve for x
    x = 88,664,959,771.19/370,038.48
  6. Step 6: Final answer
    x = 239,610.11

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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.