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Finding the Fourth Proportional to 447,907.89, 618,112.88 and 246,703.89

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Solution

The fourth proportional to 447,907.89, 618,112.88 and 246,703.89 is: 340,451.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,907.89 : 618,112.88 = 246,703.89 : x
  2. Step 2: Convert to fraction form
    447,907.89/618,112.88 = 246,703.89/x
  3. Step 3: Cross multiply
    447,907.89x = 618,112.88 × 246,703.89
  4. Step 4: Simplify right side
    447,907.89x = 152,490,850,721.58
  5. Step 5: Solve for x
    x = 152,490,850,721.58/447,907.89
  6. Step 6: Final answer
    x = 340,451.36

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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.