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Finding the Fourth Proportional to 501,969.60, 752,899.32 and 146,987.16

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Solution

The fourth proportional to 501,969.60, 752,899.32 and 146,987.16 is: 220,464.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,969.60 : 752,899.32 = 146,987.16 : x
  2. Step 2: Convert to fraction form
    501,969.60/752,899.32 = 146,987.16/x
  3. Step 3: Cross multiply
    501,969.60x = 752,899.32 × 146,987.16
  4. Step 4: Simplify right side
    501,969.60x = 110,666,532,812.73
  5. Step 5: Solve for x
    x = 110,666,532,812.73/501,969.60
  6. Step 6: Final answer
    x = 220,464.61

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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.