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Finding the Fourth Proportional to 358,316.82, 494,476.22 and 197,182.30

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Solution

The fourth proportional to 358,316.82, 494,476.22 and 197,182.30 is: 272,111.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,316.82 : 494,476.22 = 197,182.30 : x
  2. Step 2: Convert to fraction form
    358,316.82/494,476.22 = 197,182.30/x
  3. Step 3: Cross multiply
    358,316.82x = 494,476.22 × 197,182.30
  4. Step 4: Simplify right side
    358,316.82x = 97,501,958,354.91
  5. Step 5: Solve for x
    x = 97,501,958,354.91/358,316.82
  6. Step 6: Final answer
    x = 272,111.03

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1.5x scale

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.