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Finding the Fourth Proportional to 608,322.79, 839,490.89 and 336,408.98

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Solution

The fourth proportional to 608,322.79, 839,490.89 and 336,408.98 is: 464,247.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,322.79 : 839,490.89 = 336,408.98 : x
  2. Step 2: Convert to fraction form
    608,322.79/839,490.89 = 336,408.98/x
  3. Step 3: Cross multiply
    608,322.79x = 839,490.89 × 336,408.98
  4. Step 4: Simplify right side
    608,322.79x = 282,412,274,024.19
  5. Step 5: Solve for x
    x = 282,412,274,024.19/608,322.79
  6. Step 6: Final answer
    x = 464,247.40

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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.