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Finding the Fourth Proportional to 669,434.16, 923,820.24 and 363,511.20

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Solution

The fourth proportional to 669,434.16, 923,820.24 and 363,511.20 is: 501,646.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,434.16 : 923,820.24 = 363,511.20 : x
  2. Step 2: Convert to fraction form
    669,434.16/923,820.24 = 363,511.20/x
  3. Step 3: Cross multiply
    669,434.16x = 923,820.24 × 363,511.20
  4. Step 4: Simplify right side
    669,434.16x = 335,819,004,026.69
  5. Step 5: Solve for x
    x = 335,819,004,026.69/669,434.16
  6. Step 6: Final answer
    x = 501,646.05

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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.