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Finding the Fourth Proportional to 496,740.60, 744,886.73 and 141,670.22

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Solution

The fourth proportional to 496,740.60, 744,886.73 and 141,670.22 is: 212,441.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,740.60 : 744,886.73 = 141,670.22 : x
  2. Step 2: Convert to fraction form
    496,740.60/744,886.73 = 141,670.22/x
  3. Step 3: Cross multiply
    496,740.60x = 744,886.73 × 141,670.22
  4. Step 4: Simplify right side
    496,740.60x = 105,528,263,543.92
  5. Step 5: Solve for x
    x = 105,528,263,543.92/496,740.60
  6. Step 6: Final answer
    x = 212,441.39

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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.