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Finding the Fourth Proportional to 676,651.07, 933,633.14 and 401,095.80

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Solution

The fourth proportional to 676,651.07, 933,633.14 and 401,095.80 is: 553,426.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,651.07 : 933,633.14 = 401,095.80 : x
  2. Step 2: Convert to fraction form
    676,651.07/933,633.14 = 401,095.80/x
  3. Step 3: Cross multiply
    676,651.07x = 933,633.14 × 401,095.80
  4. Step 4: Simplify right side
    676,651.07x = 374,476,329,189.33
  5. Step 5: Solve for x
    x = 374,476,329,189.33/676,651.07
  6. Step 6: Final answer
    x = 553,426.05

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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.