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Finding the Fourth Proportional to 358,524.80, 494,746.08 and 197,386.64

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Solution

The fourth proportional to 358,524.80, 494,746.08 and 197,386.64 is: 272,383.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,524.80 : 494,746.08 = 197,386.64 : x
  2. Step 2: Convert to fraction form
    358,524.80/494,746.08 = 197,386.64/x
  3. Step 3: Cross multiply
    358,524.80x = 494,746.08 × 197,386.64
  4. Step 4: Simplify right side
    358,524.80x = 97,656,266,384.37
  5. Step 5: Solve for x
    x = 97,656,266,384.37/358,524.80
  6. Step 6: Final answer
    x = 272,383.57

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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.