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Finding the Fourth Proportional to 447,125.60, 670,688.40 and 114,701.60

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Solution

The fourth proportional to 447,125.60, 670,688.40 and 114,701.60 is: 172,052.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,125.60 : 670,688.40 = 114,701.60 : x
  2. Step 2: Convert to fraction form
    447,125.60/670,688.40 = 114,701.60/x
  3. Step 3: Cross multiply
    447,125.60x = 670,688.40 × 114,701.60
  4. Step 4: Simplify right side
    447,125.60x = 76,929,032,581.44
  5. Step 5: Solve for x
    x = 76,929,032,581.44/447,125.60
  6. Step 6: Final answer
    x = 172,052.40

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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.