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Finding the Fourth Proportional to 361,995.85, 499,626.96 and 209,058.94

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Solution

The fourth proportional to 361,995.85, 499,626.96 and 209,058.94 is: 288,543.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,995.85 : 499,626.96 = 209,058.94 : x
  2. Step 2: Convert to fraction form
    361,995.85/499,626.96 = 209,058.94/x
  3. Step 3: Cross multiply
    361,995.85x = 499,626.96 × 209,058.94
  4. Step 4: Simplify right side
    361,995.85x = 104,451,482,653.02
  5. Step 5: Solve for x
    x = 104,451,482,653.02/361,995.85
  6. Step 6: Final answer
    x = 288,543.32

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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.