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Finding the Fourth Proportional to 441,054.56, 661,800.64 and 174,809.28

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Solution

The fourth proportional to 441,054.56, 661,800.64 and 174,809.28 is: 262,300.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,054.56 : 661,800.64 = 174,809.28 : x
  2. Step 2: Convert to fraction form
    441,054.56/661,800.64 = 174,809.28/x
  3. Step 3: Cross multiply
    441,054.56x = 661,800.64 × 174,809.28
  4. Step 4: Simplify right side
    441,054.56x = 115,688,893,381.94
  5. Step 5: Solve for x
    x = 115,688,893,381.94/441,054.56
  6. Step 6: Final answer
    x = 262,300.64

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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.