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Finding the Fourth Proportional to 488,682.36, 673,687.80 and 359,392.32

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Solution

The fourth proportional to 488,682.36, 673,687.80 and 359,392.32 is: 495,451.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,682.36 : 673,687.80 = 359,392.32 : x
  2. Step 2: Convert to fraction form
    488,682.36/673,687.80 = 359,392.32/x
  3. Step 3: Cross multiply
    488,682.36x = 673,687.80 × 359,392.32
  4. Step 4: Simplify right side
    488,682.36x = 242,118,221,397.70
  5. Step 5: Solve for x
    x = 242,118,221,397.70/488,682.36
  6. Step 6: Final answer
    x = 495,451.12

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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.