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Finding the Fourth Proportional to 533,020.61, 799,303.32 and 308,535.99

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Solution

The fourth proportional to 533,020.61, 799,303.32 and 308,535.99 is: 462,672.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,020.61 : 799,303.32 = 308,535.99 : x
  2. Step 2: Convert to fraction form
    533,020.61/799,303.32 = 308,535.99/x
  3. Step 3: Cross multiply
    533,020.61x = 799,303.32 × 308,535.99
  4. Step 4: Simplify right side
    533,020.61x = 246,613,845,300.88
  5. Step 5: Solve for x
    x = 246,613,845,300.88/533,020.61
  6. Step 6: Final answer
    x = 462,672.25

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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.