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Finding the Fourth Proportional to 669,539.61, 923,960.79 and 363,613.14

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Solution

The fourth proportional to 669,539.61, 923,960.79 and 363,613.14 is: 501,784.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,539.61 : 923,960.79 = 363,613.14 : x
  2. Step 2: Convert to fraction form
    669,539.61/923,960.79 = 363,613.14/x
  3. Step 3: Cross multiply
    669,539.61x = 923,960.79 × 363,613.14
  4. Step 4: Simplify right side
    669,539.61x = 335,964,284,088.78
  5. Step 5: Solve for x
    x = 335,964,284,088.78/669,539.61
  6. Step 6: Final answer
    x = 501,784.03

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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.