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Finding the Fourth Proportional to 358,586.40, 537,630.53 and 158,797.88

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Solution

The fourth proportional to 358,586.40, 537,630.53 and 158,797.88 is: 238,086.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,586.40 : 537,630.53 = 158,797.88 : x
  2. Step 2: Convert to fraction form
    358,586.40/537,630.53 = 158,797.88/x
  3. Step 3: Cross multiply
    358,586.40x = 537,630.53 × 158,797.88
  4. Step 4: Simplify right side
    358,586.40x = 85,374,584,905.13
  5. Step 5: Solve for x
    x = 85,374,584,905.13/358,586.40
  6. Step 6: Final answer
    x = 238,086.51

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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.