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Finding the Fourth Proportional to 322,015.40, 483,023.10 and 164,551.40

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Solution

The fourth proportional to 322,015.40, 483,023.10 and 164,551.40 is: 246,827.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,015.40 : 483,023.10 = 164,551.40 : x
  2. Step 2: Convert to fraction form
    322,015.40/483,023.10 = 164,551.40/x
  3. Step 3: Cross multiply
    322,015.40x = 483,023.10 × 164,551.40
  4. Step 4: Simplify right side
    322,015.40x = 79,482,127,337.34
  5. Step 5: Solve for x
    x = 79,482,127,337.34/322,015.40
  6. Step 6: Final answer
    x = 246,827.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.