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Finding the Fourth Proportional to 233,953.80, 350,930.70 and 219,191.55

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Solution

The fourth proportional to 233,953.80, 350,930.70 and 219,191.55 is: 328,787.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,953.80 : 350,930.70 = 219,191.55 : x
  2. Step 2: Convert to fraction form
    233,953.80/350,930.70 = 219,191.55/x
  3. Step 3: Cross multiply
    233,953.80x = 350,930.70 × 219,191.55
  4. Step 4: Simplify right side
    233,953.80x = 76,921,044,075.59
  5. Step 5: Solve for x
    x = 76,921,044,075.59/233,953.80
  6. Step 6: Final answer
    x = 328,787.33

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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.