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Finding the Fourth Proportional to 468,649.64, 702,829.06 and 169,091.40

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Solution

The fourth proportional to 468,649.64, 702,829.06 and 169,091.40 is: 253,584.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,649.64 : 702,829.06 = 169,091.40 : x
  2. Step 2: Convert to fraction form
    468,649.64/702,829.06 = 169,091.40/x
  3. Step 3: Cross multiply
    468,649.64x = 702,829.06 × 169,091.40
  4. Step 4: Simplify right side
    468,649.64x = 118,842,349,716.08
  5. Step 5: Solve for x
    x = 118,842,349,716.08/468,649.64
  6. Step 6: Final answer
    x = 253,584.64

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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.