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Finding the Fourth Proportional to 358,352.64, 494,526.72 and 197,207.69

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Solution

The fourth proportional to 358,352.64, 494,526.72 and 197,207.69 is: 272,146.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,352.64 : 494,526.72 = 197,207.69 : x
  2. Step 2: Convert to fraction form
    358,352.64/494,526.72 = 197,207.69/x
  3. Step 3: Cross multiply
    358,352.64x = 494,526.72 × 197,207.69
  4. Step 4: Simplify right side
    358,352.64x = 97,524,472,094.48
  5. Step 5: Solve for x
    x = 97,524,472,094.48/358,352.64
  6. Step 6: Final answer
    x = 272,146.65

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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.