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Finding the Fourth Proportional to 358,567.29, 494,818.88 and 197,419.01

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Solution

The fourth proportional to 358,567.29, 494,818.88 and 197,419.01 is: 272,436.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,567.29 : 494,818.88 = 197,419.01 : x
  2. Step 2: Convert to fraction form
    358,567.29/494,818.88 = 197,419.01/x
  3. Step 3: Cross multiply
    358,567.29x = 494,818.88 × 197,419.01
  4. Step 4: Simplify right side
    358,567.29x = 97,686,649,957.72
  5. Step 5: Solve for x
    x = 97,686,649,957.72/358,567.29
  6. Step 6: Final answer
    x = 272,436.03

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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.