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Finding the Fourth Proportional to 629,571.67, 868,783.59 and 343,085.59

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Solution

The fourth proportional to 629,571.67, 868,783.59 and 343,085.59 is: 473,444.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,571.67 : 868,783.59 = 343,085.59 : x
  2. Step 2: Convert to fraction form
    629,571.67/868,783.59 = 343,085.59/x
  3. Step 3: Cross multiply
    629,571.67x = 868,783.59 × 343,085.59
  4. Step 4: Simplify right side
    629,571.67x = 298,067,130,557.47
  5. Step 5: Solve for x
    x = 298,067,130,557.47/629,571.67
  6. Step 6: Final answer
    x = 473,444.32

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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.