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Finding the Fourth Proportional to 669,272.82, 923,607.54 and 363,349.14

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Solution

The fourth proportional to 669,272.82, 923,607.54 and 363,349.14 is: 501,427.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,272.82 : 923,607.54 = 363,349.14 : x
  2. Step 2: Convert to fraction form
    669,272.82/923,607.54 = 363,349.14/x
  3. Step 3: Cross multiply
    669,272.82x = 923,607.54 × 363,349.14
  4. Step 4: Simplify right side
    669,272.82x = 335,592,005,356.52
  5. Step 5: Solve for x
    x = 335,592,005,356.52/669,272.82
  6. Step 6: Final answer
    x = 501,427.81

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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.