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Finding the Fourth Proportional to 446,657.52, 670,089.84 and 147,127.32

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Solution

The fourth proportional to 446,657.52, 670,089.84 and 147,127.32 is: 220,725.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,657.52 : 670,089.84 = 147,127.32 : x
  2. Step 2: Convert to fraction form
    446,657.52/670,089.84 = 147,127.32/x
  3. Step 3: Cross multiply
    446,657.52x = 670,089.84 × 147,127.32
  4. Step 4: Simplify right side
    446,657.52x = 98,588,522,318.43
  5. Step 5: Solve for x
    x = 98,588,522,318.43/446,657.52
  6. Step 6: Final answer
    x = 220,725.09

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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.