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Finding the Fourth Proportional to 365,920.84, 548,880.63 and 188,478.58

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Solution

The fourth proportional to 365,920.84, 548,880.63 and 188,478.58 is: 282,717.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,920.84 : 548,880.63 = 188,478.58 : x
  2. Step 2: Convert to fraction form
    365,920.84/548,880.63 = 188,478.58/x
  3. Step 3: Cross multiply
    365,920.84x = 548,880.63 × 188,478.58
  4. Step 4: Simplify right side
    365,920.84x = 103,452,241,731.91
  5. Step 5: Solve for x
    x = 103,452,241,731.91/365,920.84
  6. Step 6: Final answer
    x = 282,717.55

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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.