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Finding the Fourth Proportional to 673,193.25, 929,002.28 and 382,804.87

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Solution

The fourth proportional to 673,193.25, 929,002.28 and 382,804.87 is: 528,268.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,193.25 : 929,002.28 = 382,804.87 : x
  2. Step 2: Convert to fraction form
    673,193.25/929,002.28 = 382,804.87/x
  3. Step 3: Cross multiply
    673,193.25x = 929,002.28 × 382,804.87
  4. Step 4: Simplify right side
    673,193.25x = 355,626,591,046.69
  5. Step 5: Solve for x
    x = 355,626,591,046.69/673,193.25
  6. Step 6: Final answer
    x = 528,268.21

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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.