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Finding the Fourth Proportional to 496,543.53, 744,494.76 and 212,419.42

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Solution

The fourth proportional to 496,543.53, 744,494.76 and 212,419.42 is: 318,492.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,543.53 : 744,494.76 = 212,419.42 : x
  2. Step 2: Convert to fraction form
    496,543.53/744,494.76 = 212,419.42/x
  3. Step 3: Cross multiply
    496,543.53x = 744,494.76 × 212,419.42
  4. Step 4: Simplify right side
    496,543.53x = 158,145,144,448.75
  5. Step 5: Solve for x
    x = 158,145,144,448.75/496,543.53
  6. Step 6: Final answer
    x = 318,492.01

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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.