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Finding the Fourth Proportional to 298,119.04, 411,410.72 and 163,983.04

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Solution

The fourth proportional to 298,119.04, 411,410.72 and 163,983.04 is: 226,300.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,119.04 : 411,410.72 = 163,983.04 : x
  2. Step 2: Convert to fraction form
    298,119.04/411,410.72 = 163,983.04/x
  3. Step 3: Cross multiply
    298,119.04x = 411,410.72 × 163,983.04
  4. Step 4: Simplify right side
    298,119.04x = 67,464,380,554.19
  5. Step 5: Solve for x
    x = 67,464,380,554.19/298,119.04
  6. Step 6: Final answer
    x = 226,300.14

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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.