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Finding the Fourth Proportional to 535,399.68, 803,173.50 and 180,515.16

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Solution

The fourth proportional to 535,399.68, 803,173.50 and 180,515.16 is: 270,797.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,399.68 : 803,173.50 = 180,515.16 : x
  2. Step 2: Convert to fraction form
    535,399.68/803,173.50 = 180,515.16/x
  3. Step 3: Cross multiply
    535,399.68x = 803,173.50 × 180,515.16
  4. Step 4: Simplify right side
    535,399.68x = 144,984,992,860.26
  5. Step 5: Solve for x
    x = 144,984,992,860.26/535,399.68
  6. Step 6: Final answer
    x = 270,797.68

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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.