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Finding the Fourth Proportional to 635,482.79, 953,231.88 and 186,212.77

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Solution

The fourth proportional to 635,482.79, 953,231.88 and 186,212.77 is: 279,321.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,482.79 : 953,231.88 = 186,212.77 : x
  2. Step 2: Convert to fraction form
    635,482.79/953,231.88 = 186,212.77/x
  3. Step 3: Cross multiply
    635,482.79x = 953,231.88 × 186,212.77
  4. Step 4: Simplify right side
    635,482.79x = 177,503,946,444.03
  5. Step 5: Solve for x
    x = 177,503,946,444.03/635,482.79
  6. Step 6: Final answer
    x = 279,321.41

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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.