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Finding the Fourth Proportional to 533,907.25, 736,786.43 and 304,501.88

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Solution

The fourth proportional to 533,907.25, 736,786.43 and 304,501.88 is: 420,209.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,907.25 : 736,786.43 = 304,501.88 : x
  2. Step 2: Convert to fraction form
    533,907.25/736,786.43 = 304,501.88/x
  3. Step 3: Cross multiply
    533,907.25x = 736,786.43 × 304,501.88
  4. Step 4: Simplify right side
    533,907.25x = 224,352,854,554.83
  5. Step 5: Solve for x
    x = 224,352,854,554.83/533,907.25
  6. Step 6: Final answer
    x = 420,209.42

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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.