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Finding the Fourth Proportional to 608,356.45, 839,516.02 and 336,416.77

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Solution

The fourth proportional to 608,356.45, 839,516.02 and 336,416.77 is: 464,246.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,356.45 : 839,516.02 = 336,416.77 : x
  2. Step 2: Convert to fraction form
    608,356.45/839,516.02 = 336,416.77/x
  3. Step 3: Cross multiply
    608,356.45x = 839,516.02 × 336,416.77
  4. Step 4: Simplify right side
    608,356.45x = 282,427,267,811.66
  5. Step 5: Solve for x
    x = 282,427,267,811.66/608,356.45
  6. Step 6: Final answer
    x = 464,246.36

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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.