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Finding the Fourth Proportional to 608,158.24, 839,391.60 and 353,656.24

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Solution

The fourth proportional to 608,158.24, 839,391.60 and 353,656.24 is: 488,123.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,158.24 : 839,391.60 = 353,656.24 : x
  2. Step 2: Convert to fraction form
    608,158.24/839,391.60 = 353,656.24/x
  3. Step 3: Cross multiply
    608,158.24x = 839,391.60 × 353,656.24
  4. Step 4: Simplify right side
    608,158.24x = 296,856,077,143.58
  5. Step 5: Solve for x
    x = 296,856,077,143.58/608,158.24
  6. Step 6: Final answer
    x = 488,123.09

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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.