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Finding the Fourth Proportional to 291,588.88, 402,382.36 and 176,880.64

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Solution

The fourth proportional to 291,588.88, 402,382.36 and 176,880.64 is: 244,089.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,588.88 : 402,382.36 = 176,880.64 : x
  2. Step 2: Convert to fraction form
    291,588.88/402,382.36 = 176,880.64/x
  3. Step 3: Cross multiply
    291,588.88x = 402,382.36 × 176,880.64
  4. Step 4: Simplify right side
    291,588.88x = 71,173,649,361.51
  5. Step 5: Solve for x
    x = 71,173,649,361.51/291,588.88
  6. Step 6: Final answer
    x = 244,089.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.