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Finding the Fourth Proportional to 358,567.68, 494,819.76 and 197,419.68

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Solution

The fourth proportional to 358,567.68, 494,819.76 and 197,419.68 is: 272,437.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,567.68 : 494,819.76 = 197,419.68 : x
  2. Step 2: Convert to fraction form
    358,567.68/494,819.76 = 197,419.68/x
  3. Step 3: Cross multiply
    358,567.68x = 494,819.76 × 197,419.68
  4. Step 4: Simplify right side
    358,567.68x = 97,687,158,676.88
  5. Step 5: Solve for x
    x = 97,687,158,676.88/358,567.68
  6. Step 6: Final answer
    x = 272,437.16

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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.