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Finding the Fourth Proportional to 569,556.36, 785,919.06 and 314,872.92

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Solution

The fourth proportional to 569,556.36, 785,919.06 and 314,872.92 is: 434,486.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,556.36 : 785,919.06 = 314,872.92 : x
  2. Step 2: Convert to fraction form
    569,556.36/785,919.06 = 314,872.92/x
  3. Step 3: Cross multiply
    569,556.36x = 785,919.06 × 314,872.92
  4. Step 4: Simplify right side
    569,556.36x = 247,464,629,305.86
  5. Step 5: Solve for x
    x = 247,464,629,305.86/569,556.36
  6. Step 6: Final answer
    x = 434,486.64

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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.