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Finding the Fourth Proportional to 446,670.96, 670,050.18 and 147,029.28

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Solution

The fourth proportional to 446,670.96, 670,050.18 and 147,029.28 is: 220,558.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,670.96 : 670,050.18 = 147,029.28 : x
  2. Step 2: Convert to fraction form
    446,670.96/670,050.18 = 147,029.28/x
  3. Step 3: Cross multiply
    446,670.96x = 670,050.18 × 147,029.28
  4. Step 4: Simplify right side
    446,670.96x = 98,516,995,529.27
  5. Step 5: Solve for x
    x = 98,516,995,529.27/446,670.96
  6. Step 6: Final answer
    x = 220,558.32

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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.