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Finding the Fourth Proportional to 358,174.60, 537,261.90 and 253,198.60

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Solution

The fourth proportional to 358,174.60, 537,261.90 and 253,198.60 is: 379,797.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,174.60 : 537,261.90 = 253,198.60 : x
  2. Step 2: Convert to fraction form
    358,174.60/537,261.90 = 253,198.60/x
  3. Step 3: Cross multiply
    358,174.60x = 537,261.90 × 253,198.60
  4. Step 4: Simplify right side
    358,174.60x = 136,033,960,913.34
  5. Step 5: Solve for x
    x = 136,033,960,913.34/358,174.60
  6. Step 6: Final answer
    x = 379,797.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.