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Finding the Fourth Proportional to 669,384.35, 923,761.01 and 363,460.57

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Solution

The fourth proportional to 669,384.35, 923,761.01 and 363,460.57 is: 501,581.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,384.35 : 923,761.01 = 363,460.57 : x
  2. Step 2: Convert to fraction form
    669,384.35/923,761.01 = 363,460.57/x
  3. Step 3: Cross multiply
    669,384.35x = 923,761.01 × 363,460.57
  4. Step 4: Simplify right side
    669,384.35x = 335,750,699,793.16
  5. Step 5: Solve for x
    x = 335,750,699,793.16/669,384.35
  6. Step 6: Final answer
    x = 501,581.34

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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.