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Finding the Fourth Proportional to 298,273.36, 411,605.64 and 170,858.32

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Solution

The fourth proportional to 298,273.36, 411,605.64 and 170,858.32 is: 235,777.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,273.36 : 411,605.64 = 170,858.32 : x
  2. Step 2: Convert to fraction form
    298,273.36/411,605.64 = 170,858.32/x
  3. Step 3: Cross multiply
    298,273.36x = 411,605.64 × 170,858.32
  4. Step 4: Simplify right side
    298,273.36x = 70,326,248,152.92
  5. Step 5: Solve for x
    x = 70,326,248,152.92/298,273.36
  6. Step 6: Final answer
    x = 235,777.84

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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.