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Finding the Fourth Proportional to 411,799.68, 568,180.80 and 242,000.64

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Solution

The fourth proportional to 411,799.68, 568,180.80 and 242,000.64 is: 333,900.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,799.68 : 568,180.80 = 242,000.64 : x
  2. Step 2: Convert to fraction form
    411,799.68/568,180.80 = 242,000.64/x
  3. Step 3: Cross multiply
    411,799.68x = 568,180.80 × 242,000.64
  4. Step 4: Simplify right side
    411,799.68x = 137,500,117,235.71
  5. Step 5: Solve for x
    x = 137,500,117,235.71/411,799.68
  6. Step 6: Final answer
    x = 333,900.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.