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Finding the Fourth Proportional to 531,726.28, 797,322.90 and 176,615.80

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Solution

The fourth proportional to 531,726.28, 797,322.90 and 176,615.80 is: 264,835.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,726.28 : 797,322.90 = 176,615.80 : x
  2. Step 2: Convert to fraction form
    531,726.28/797,322.90 = 176,615.80/x
  3. Step 3: Cross multiply
    531,726.28x = 797,322.90 × 176,615.80
  4. Step 4: Simplify right side
    531,726.28x = 140,819,821,841.82
  5. Step 5: Solve for x
    x = 140,819,821,841.82/531,726.28
  6. Step 6: Final answer
    x = 264,835.17

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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.