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Finding the Fourth Proportional to 501,048.60, 751,572.90 and 146,074.20

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Solution

The fourth proportional to 501,048.60, 751,572.90 and 146,074.20 is: 219,111.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,048.60 : 751,572.90 = 146,074.20 : x
  2. Step 2: Convert to fraction form
    501,048.60/751,572.90 = 146,074.20/x
  3. Step 3: Cross multiply
    501,048.60x = 751,572.90 × 146,074.20
  4. Step 4: Simplify right side
    501,048.60x = 109,785,410,109.18
  5. Step 5: Solve for x
    x = 109,785,410,109.18/501,048.60
  6. Step 6: Final answer
    x = 219,111.30

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Similar ratio
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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.