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Finding the Fourth Proportional to 577,754.67, 866,457.03 and 156,975.87

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Solution

The fourth proportional to 577,754.67, 866,457.03 and 156,975.87 is: 235,416.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,754.67 : 866,457.03 = 156,975.87 : x
  2. Step 2: Convert to fraction form
    577,754.67/866,457.03 = 156,975.87/x
  3. Step 3: Cross multiply
    577,754.67x = 866,457.03 × 156,975.87
  4. Step 4: Simplify right side
    577,754.67x = 136,012,846,101.87
  5. Step 5: Solve for x
    x = 136,012,846,101.87/577,754.67
  6. Step 6: Final answer
    x = 235,416.26

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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.