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Finding the Fourth Proportional to 365,703.84, 548,358.51 and 165,915.23

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Solution

The fourth proportional to 365,703.84, 548,358.51 and 165,915.23 is: 248,783.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,703.84 : 548,358.51 = 165,915.23 : x
  2. Step 2: Convert to fraction form
    365,703.84/548,358.51 = 165,915.23/x
  3. Step 3: Cross multiply
    365,703.84x = 548,358.51 × 165,915.23
  4. Step 4: Simplify right side
    365,703.84x = 90,981,026,189.50
  5. Step 5: Solve for x
    x = 90,981,026,189.50/365,703.84
  6. Step 6: Final answer
    x = 248,783.35

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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.