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Finding the Fourth Proportional to 533,985.52, 801,098.24 and 178,990.45

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Solution

The fourth proportional to 533,985.52, 801,098.24 and 178,990.45 is: 268,525.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,985.52 : 801,098.24 = 178,990.45 : x
  2. Step 2: Convert to fraction form
    533,985.52/801,098.24 = 178,990.45/x
  3. Step 3: Cross multiply
    533,985.52x = 801,098.24 × 178,990.45
  4. Step 4: Simplify right side
    533,985.52x = 143,388,934,471.81
  5. Step 5: Solve for x
    x = 143,388,934,471.81/533,985.52
  6. Step 6: Final answer
    x = 268,525.89

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1.5x scale

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.