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Finding the Fourth Proportional to 328,044.72, 452,735.16 and 200,804.40

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Solution

The fourth proportional to 328,044.72, 452,735.16 and 200,804.40 is: 277,130.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,044.72 : 452,735.16 = 200,804.40 : x
  2. Step 2: Convert to fraction form
    328,044.72/452,735.16 = 200,804.40/x
  3. Step 3: Cross multiply
    328,044.72x = 452,735.16 × 200,804.40
  4. Step 4: Simplify right side
    328,044.72x = 90,911,212,162.70
  5. Step 5: Solve for x
    x = 90,911,212,162.70/328,044.72
  6. Step 6: Final answer
    x = 277,130.55

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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.