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Finding the Fourth Proportional to 670,874.38, 923,469.36 and 584,685.19

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Solution

The fourth proportional to 670,874.38, 923,469.36 and 584,685.19 is: 804,828.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,874.38 : 923,469.36 = 584,685.19 : x
  2. Step 2: Convert to fraction form
    670,874.38/923,469.36 = 584,685.19/x
  3. Step 3: Cross multiply
    670,874.38x = 923,469.36 × 584,685.19
  4. Step 4: Simplify right side
    670,874.38x = 539,938,857,172.55
  5. Step 5: Solve for x
    x = 539,938,857,172.55/670,874.38
  6. Step 6: Final answer
    x = 804,828.56

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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.