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Finding the Fourth Proportional to 381,300.05, 525,975.45 and 237,810.98

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Solution

The fourth proportional to 381,300.05, 525,975.45 and 237,810.98 is: 328,042.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,300.05 : 525,975.45 = 237,810.98 : x
  2. Step 2: Convert to fraction form
    381,300.05/525,975.45 = 237,810.98/x
  3. Step 3: Cross multiply
    381,300.05x = 525,975.45 × 237,810.98
  4. Step 4: Simplify right side
    381,300.05x = 125,082,737,220.44
  5. Step 5: Solve for x
    x = 125,082,737,220.44/381,300.05
  6. Step 6: Final answer
    x = 328,042.80

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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.