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Finding the Fourth Proportional to 479,570.40, 719,355.60 and 164,037.60

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Solution

The fourth proportional to 479,570.40, 719,355.60 and 164,037.60 is: 246,056.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,570.40 : 719,355.60 = 164,037.60 : x
  2. Step 2: Convert to fraction form
    479,570.40/719,355.60 = 164,037.60/x
  3. Step 3: Cross multiply
    479,570.40x = 719,355.60 × 164,037.60
  4. Step 4: Simplify right side
    479,570.40x = 118,001,366,170.56
  5. Step 5: Solve for x
    x = 118,001,366,170.56/479,570.40
  6. Step 6: Final answer
    x = 246,056.40

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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.