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Finding the Fourth Proportional to 608,322.40, 839,490.35 and 336,408.59

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Solution

The fourth proportional to 608,322.40, 839,490.35 and 336,408.59 is: 464,246.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,322.40 : 839,490.35 = 336,408.59 : x
  2. Step 2: Convert to fraction form
    608,322.40/839,490.35 = 336,408.59/x
  3. Step 3: Cross multiply
    608,322.40x = 839,490.35 × 336,408.59
  4. Step 4: Simplify right side
    608,322.40x = 282,411,762,863.38
  5. Step 5: Solve for x
    x = 282,411,762,863.38/608,322.40
  6. Step 6: Final answer
    x = 464,246.86

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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.