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Finding the Fourth Proportional to 669,009.77, 923,240.38 and 363,088.79

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Solution

The fourth proportional to 669,009.77, 923,240.38 and 363,088.79 is: 501,066.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,009.77 : 923,240.38 = 363,088.79 : x
  2. Step 2: Convert to fraction form
    669,009.77/923,240.38 = 363,088.79/x
  3. Step 3: Cross multiply
    669,009.77x = 923,240.38 × 363,088.79
  4. Step 4: Simplify right side
    669,009.77x = 335,218,230,051.17
  5. Step 5: Solve for x
    x = 335,218,230,051.17/669,009.77
  6. Step 6: Final answer
    x = 501,066.27

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Double scale
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Similar ratio
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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.