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Finding the Fourth Proportional to 608,191.24, 839,437.20 and 353,689.24

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Solution

The fourth proportional to 608,191.24, 839,437.20 and 353,689.24 is: 488,168.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,191.24 : 839,437.20 = 353,689.24 : x
  2. Step 2: Convert to fraction form
    608,191.24/839,437.20 = 353,689.24/x
  3. Step 3: Cross multiply
    608,191.24x = 839,437.20 × 353,689.24
  4. Step 4: Simplify right side
    608,191.24x = 296,899,905,295.73
  5. Step 5: Solve for x
    x = 296,899,905,295.73/608,191.24
  6. Step 6: Final answer
    x = 488,168.66

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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.