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Finding the Fourth Proportional to 440,884.71, 661,261.46 and 141,334.16

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Solution

The fourth proportional to 440,884.71, 661,261.46 and 141,334.16 is: 211,980.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,884.71 : 661,261.46 = 141,334.16 : x
  2. Step 2: Convert to fraction form
    440,884.71/661,261.46 = 141,334.16/x
  3. Step 3: Cross multiply
    440,884.71x = 661,261.46 × 141,334.16
  4. Step 4: Simplify right side
    440,884.71x = 93,458,828,976.50
  5. Step 5: Solve for x
    x = 93,458,828,976.50/440,884.71
  6. Step 6: Final answer
    x = 211,980.20

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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.