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Finding the Fourth Proportional to 502,002.64, 753,106.36 and 169,571.28

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Solution

The fourth proportional to 502,002.64, 753,106.36 and 169,571.28 is: 254,391.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,002.64 : 753,106.36 = 169,571.28 : x
  2. Step 2: Convert to fraction form
    502,002.64/753,106.36 = 169,571.28/x
  3. Step 3: Cross multiply
    502,002.64x = 753,106.36 × 169,571.28
  4. Step 4: Simplify right side
    502,002.64x = 127,705,209,441.34
  5. Step 5: Solve for x
    x = 127,705,209,441.34/502,002.64
  6. Step 6: Final answer
    x = 254,391.51

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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.