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Finding the Fourth Proportional to 770,075, 1,062,668.34 and 425,914.04

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Solution

The fourth proportional to 770,075, 1,062,668.34 and 425,914.04 is: 587,741.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,075 : 1,062,668.34 = 425,914.04 : x
  2. Step 2: Convert to fraction form
    770,075/1,062,668.34 = 425,914.04/x
  3. Step 3: Cross multiply
    770,075x = 1,062,668.34 × 425,914.04
  4. Step 4: Simplify right side
    770,075x = 452,605,365,869.49
  5. Step 5: Solve for x
    x = 452,605,365,869.49/770,075
  6. Step 6: Final answer
    x = 587,741.93

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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.