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Finding the Fourth Proportional to 547,465.92, 821,228.04 and 173,518.08

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Solution

The fourth proportional to 547,465.92, 821,228.04 and 173,518.08 is: 260,286.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,465.92 : 821,228.04 = 173,518.08 : x
  2. Step 2: Convert to fraction form
    547,465.92/821,228.04 = 173,518.08/x
  3. Step 3: Cross multiply
    547,465.92x = 821,228.04 × 173,518.08
  4. Step 4: Simplify right side
    547,465.92x = 142,497,912,742.96
  5. Step 5: Solve for x
    x = 142,497,912,742.96/547,465.92
  6. Step 6: Final answer
    x = 260,286.36

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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.