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Finding the Fourth Proportional to 705,365.82, 973,762.97 and 447,506.37

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Solution

The fourth proportional to 705,365.82, 973,762.97 and 447,506.37 is: 617,786.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,365.82 : 973,762.97 = 447,506.37 : x
  2. Step 2: Convert to fraction form
    705,365.82/973,762.97 = 447,506.37/x
  3. Step 3: Cross multiply
    705,365.82x = 973,762.97 × 447,506.37
  4. Step 4: Simplify right side
    705,365.82x = 435,765,129,707.59
  5. Step 5: Solve for x
    x = 435,765,129,707.59/705,365.82
  6. Step 6: Final answer
    x = 617,786.00

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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.