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Finding the Fourth Proportional to 496,741.60, 744,888.23 and 141,671.22

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Solution

The fourth proportional to 496,741.60, 744,888.23 and 141,671.22 is: 212,442.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,741.60 : 744,888.23 = 141,671.22 : x
  2. Step 2: Convert to fraction form
    496,741.60/744,888.23 = 141,671.22/x
  3. Step 3: Cross multiply
    496,741.60x = 744,888.23 × 141,671.22
  4. Step 4: Simplify right side
    496,741.60x = 105,529,224,307.74
  5. Step 5: Solve for x
    x = 105,529,224,307.74/496,741.60
  6. Step 6: Final answer
    x = 212,442.90

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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.