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Finding the Fourth Proportional to 608,156.37, 839,389.02 and 353,654.37

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Solution

The fourth proportional to 608,156.37, 839,389.02 and 353,654.37 is: 488,120.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,156.37 : 839,389.02 = 353,654.37 : x
  2. Step 2: Convert to fraction form
    608,156.37/839,389.02 = 353,654.37/x
  3. Step 3: Cross multiply
    608,156.37x = 839,389.02 × 353,654.37
  4. Step 4: Simplify right side
    608,156.37x = 296,853,595,053.02
  5. Step 5: Solve for x
    x = 296,853,595,053.02/608,156.37
  6. Step 6: Final answer
    x = 488,120.51

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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.