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Finding the Fourth Proportional to 287,833.50, 431,189.19 and 175,234.41

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Solution

The fourth proportional to 287,833.50, 431,189.19 and 175,234.41 is: 262,510.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,833.50 : 431,189.19 = 175,234.41 : x
  2. Step 2: Convert to fraction form
    287,833.50/431,189.19 = 175,234.41/x
  3. Step 3: Cross multiply
    287,833.50x = 431,189.19 × 175,234.41
  4. Step 4: Simplify right side
    287,833.50x = 75,559,183,308.03
  5. Step 5: Solve for x
    x = 75,559,183,308.03/287,833.50
  6. Step 6: Final answer
    x = 262,510.04

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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.