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Finding the Fourth Proportional to 608,256.77, 839,358.26 and 336,303.32

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Solution

The fourth proportional to 608,256.77, 839,358.26 and 336,303.32 is: 464,078.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,256.77 : 839,358.26 = 336,303.32 : x
  2. Step 2: Convert to fraction form
    608,256.77/839,358.26 = 336,303.32/x
  3. Step 3: Cross multiply
    608,256.77x = 839,358.26 × 336,303.32
  4. Step 4: Simplify right side
    608,256.77x = 282,278,965,310.63
  5. Step 5: Solve for x
    x = 282,278,965,310.63/608,256.77
  6. Step 6: Final answer
    x = 464,078.63

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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.