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Finding the Fourth Proportional to 298,018.56, 411,267.74 and 162,051.52

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Solution

The fourth proportional to 298,018.56, 411,267.74 and 162,051.52 is: 223,632.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,018.56 : 411,267.74 = 162,051.52 : x
  2. Step 2: Convert to fraction form
    298,018.56/411,267.74 = 162,051.52/x
  3. Step 3: Cross multiply
    298,018.56x = 411,267.74 × 162,051.52
  4. Step 4: Simplify right side
    298,018.56x = 66,646,562,393.96
  5. Step 5: Solve for x
    x = 66,646,562,393.96/298,018.56
  6. Step 6: Final answer
    x = 223,632.25

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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.