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Finding the Fourth Proportional to 696,274.08, 960,674.82 and 401,850.72

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Solution

The fourth proportional to 696,274.08, 960,674.82 and 401,850.72 is: 554,448.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,274.08 : 960,674.82 = 401,850.72 : x
  2. Step 2: Convert to fraction form
    696,274.08/960,674.82 = 401,850.72/x
  3. Step 3: Cross multiply
    696,274.08x = 960,674.82 × 401,850.72
  4. Step 4: Simplify right side
    696,274.08x = 386,047,868,102.87
  5. Step 5: Solve for x
    x = 386,047,868,102.87/696,274.08
  6. Step 6: Final answer
    x = 554,448.14

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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.