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Finding the Fourth Proportional to 496,486.08, 744,720.48 and 141,503.04

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Solution

The fourth proportional to 496,486.08, 744,720.48 and 141,503.04 is: 212,252.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,486.08 : 744,720.48 = 141,503.04 : x
  2. Step 2: Convert to fraction form
    496,486.08/744,720.48 = 141,503.04/x
  3. Step 3: Cross multiply
    496,486.08x = 744,720.48 × 141,503.04
  4. Step 4: Simplify right side
    496,486.08x = 105,380,211,870.26
  5. Step 5: Solve for x
    x = 105,380,211,870.26/496,486.08
  6. Step 6: Final answer
    x = 212,252.10

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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.