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Finding the Fourth Proportional to 541,927.62, 747,850.23 and 300,209.40

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Solution

The fourth proportional to 541,927.62, 747,850.23 and 300,209.40 is: 414,283.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,927.62 : 747,850.23 = 300,209.40 : x
  2. Step 2: Convert to fraction form
    541,927.62/747,850.23 = 300,209.40/x
  3. Step 3: Cross multiply
    541,927.62x = 747,850.23 × 300,209.40
  4. Step 4: Simplify right side
    541,927.62x = 224,511,668,838.16
  5. Step 5: Solve for x
    x = 224,511,668,838.16/541,927.62
  6. Step 6: Final answer
    x = 414,283.50

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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.