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Finding the Fourth Proportional to 531,485.26, 797,064.38 and 152,304.34

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Solution

The fourth proportional to 531,485.26, 797,064.38 and 152,304.34 is: 228,409.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,485.26 : 797,064.38 = 152,304.34 : x
  2. Step 2: Convert to fraction form
    531,485.26/797,064.38 = 152,304.34/x
  3. Step 3: Cross multiply
    531,485.26x = 797,064.38 × 152,304.34
  4. Step 4: Simplify right side
    531,485.26x = 121,396,364,333.41
  5. Step 5: Solve for x
    x = 121,396,364,333.41/531,485.26
  6. Step 6: Final answer
    x = 228,409.65

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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.