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Finding the Fourth Proportional to 574,689.96, 793,015.38 and 320,064.84

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Solution

The fourth proportional to 574,689.96, 793,015.38 and 320,064.84 is: 441,657.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,689.96 : 793,015.38 = 320,064.84 : x
  2. Step 2: Convert to fraction form
    574,689.96/793,015.38 = 320,064.84/x
  3. Step 3: Cross multiply
    574,689.96x = 793,015.38 × 320,064.84
  4. Step 4: Simplify right side
    574,689.96x = 253,816,340,717.24
  5. Step 5: Solve for x
    x = 253,816,340,717.24/574,689.96
  6. Step 6: Final answer
    x = 441,657.86

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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.