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Finding the Fourth Proportional to 539,504.25, 744,515.93 and 297,786.88

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Solution

The fourth proportional to 539,504.25, 744,515.93 and 297,786.88 is: 410,945.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,504.25 : 744,515.93 = 297,786.88 : x
  2. Step 2: Convert to fraction form
    539,504.25/744,515.93 = 297,786.88/x
  3. Step 3: Cross multiply
    539,504.25x = 744,515.93 × 297,786.88
  4. Step 4: Simplify right side
    539,504.25x = 221,707,075,905.00
  5. Step 5: Solve for x
    x = 221,707,075,905.00/539,504.25
  6. Step 6: Final answer
    x = 410,945.93

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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.