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Finding the Fourth Proportional to 323,994.75, 447,111.54 and 180,746.25

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Solution

The fourth proportional to 323,994.75, 447,111.54 and 180,746.25 is: 249,429.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,994.75 : 447,111.54 = 180,746.25 : x
  2. Step 2: Convert to fraction form
    323,994.75/447,111.54 = 180,746.25/x
  3. Step 3: Cross multiply
    323,994.75x = 447,111.54 × 180,746.25
  4. Step 4: Simplify right side
    323,994.75x = 80,813,734,186.73
  5. Step 5: Solve for x
    x = 80,813,734,186.73/323,994.75
  6. Step 6: Final answer
    x = 249,429.15

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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.