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Finding the Fourth Proportional to 569,401.88, 785,779.32 and 314,757.32

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Solution

The fourth proportional to 569,401.88, 785,779.32 and 314,757.32 is: 434,367.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,401.88 : 785,779.32 = 314,757.32 : x
  2. Step 2: Convert to fraction form
    569,401.88/785,779.32 = 314,757.32/x
  3. Step 3: Cross multiply
    569,401.88x = 785,779.32 × 314,757.32
  4. Step 4: Simplify right side
    569,401.88x = 247,329,792,874.62
  5. Step 5: Solve for x
    x = 247,329,792,874.62/569,401.88
  6. Step 6: Final answer
    x = 434,367.71

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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.