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Finding the Fourth Proportional to 531,615.21, 797,314.06 and 152,434.36

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Solution

The fourth proportional to 531,615.21, 797,314.06 and 152,434.36 is: 228,620.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,615.21 : 797,314.06 = 152,434.36 : x
  2. Step 2: Convert to fraction form
    531,615.21/797,314.06 = 152,434.36/x
  3. Step 3: Cross multiply
    531,615.21x = 797,314.06 × 152,434.36
  4. Step 4: Simplify right side
    531,615.21x = 121,538,058,455.10
  5. Step 5: Solve for x
    x = 121,538,058,455.10/531,615.21
  6. Step 6: Final answer
    x = 228,620.36

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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.