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Finding the Fourth Proportional to 683,799.03, 943,678.89 and 411,952.50

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Solution

The fourth proportional to 683,799.03, 943,678.89 and 411,952.50 is: 568,516.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,799.03 : 943,678.89 = 411,952.50 : x
  2. Step 2: Convert to fraction form
    683,799.03/943,678.89 = 411,952.50/x
  3. Step 3: Cross multiply
    683,799.03x = 943,678.89 × 411,952.50
  4. Step 4: Simplify right side
    683,799.03x = 388,750,877,932.73
  5. Step 5: Solve for x
    x = 388,750,877,932.73/683,799.03
  6. Step 6: Final answer
    x = 568,516.28

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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.