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Finding the Fourth Proportional to 298,271.52, 411,602.58 and 170,858.52

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Solution

The fourth proportional to 298,271.52, 411,602.58 and 170,858.52 is: 235,777.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,271.52 : 411,602.58 = 170,858.52 : x
  2. Step 2: Convert to fraction form
    298,271.52/411,602.58 = 170,858.52/x
  3. Step 3: Cross multiply
    298,271.52x = 411,602.58 × 170,858.52
  4. Step 4: Simplify right side
    298,271.52x = 70,325,807,646.98
  5. Step 5: Solve for x
    x = 70,325,807,646.98/298,271.52
  6. Step 6: Final answer
    x = 235,777.82

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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.