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Finding the Fourth Proportional to 358,186.01, 494,281.10 and 197,030.84

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Solution

The fourth proportional to 358,186.01, 494,281.10 and 197,030.84 is: 271,893.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,186.01 : 494,281.10 = 197,030.84 : x
  2. Step 2: Convert to fraction form
    358,186.01/494,281.10 = 197,030.84/x
  3. Step 3: Cross multiply
    358,186.01x = 494,281.10 × 197,030.84
  4. Step 4: Simplify right side
    358,186.01x = 97,388,618,350.30
  5. Step 5: Solve for x
    x = 97,388,618,350.30/358,186.01
  6. Step 6: Final answer
    x = 271,893.98

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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.