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Finding the Fourth Proportional to 450,298.50, 674,779.32 and 250,343.82

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Solution

The fourth proportional to 450,298.50, 674,779.32 and 250,343.82 is: 375,144.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,298.50 : 674,779.32 = 250,343.82 : x
  2. Step 2: Convert to fraction form
    450,298.50/674,779.32 = 250,343.82/x
  3. Step 3: Cross multiply
    450,298.50x = 674,779.32 × 250,343.82
  4. Step 4: Simplify right side
    450,298.50x = 168,926,832,625.80
  5. Step 5: Solve for x
    x = 168,926,832,625.80/450,298.50
  6. Step 6: Final answer
    x = 375,144.12

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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.