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Finding the Fourth Proportional to 669,476.67, 923,893.88 and 367,677.15

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Solution

The fourth proportional to 669,476.67, 923,893.88 and 367,677.15 is: 507,403.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,476.67 : 923,893.88 = 367,677.15 : x
  2. Step 2: Convert to fraction form
    669,476.67/923,893.88 = 367,677.15/x
  3. Step 3: Cross multiply
    669,476.67x = 923,893.88 × 367,677.15
  4. Step 4: Simplify right side
    669,476.67x = 339,694,666,862.46
  5. Step 5: Solve for x
    x = 339,694,666,862.46/669,476.67
  6. Step 6: Final answer
    x = 507,403.29

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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.