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Finding the Fourth Proportional to 577,526.76, 866,173.50 and 156,806.28

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Solution

The fourth proportional to 577,526.76, 866,173.50 and 156,806.28 is: 235,177.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,526.76 : 866,173.50 = 156,806.28 : x
  2. Step 2: Convert to fraction form
    577,526.76/866,173.50 = 156,806.28/x
  3. Step 3: Cross multiply
    577,526.76x = 866,173.50 × 156,806.28
  4. Step 4: Simplify right side
    577,526.76x = 135,821,444,369.58
  5. Step 5: Solve for x
    x = 135,821,444,369.58/577,526.76
  6. Step 6: Final answer
    x = 235,177.75

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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.