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Finding the Fourth Proportional to 793,713.39, 1,095,344.87 and 431,158

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Solution

The fourth proportional to 793,713.39, 1,095,344.87 and 431,158 is: 595,009.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    793,713.39 : 1,095,344.87 = 431,158 : x
  2. Step 2: Convert to fraction form
    793,713.39/1,095,344.87 = 431,158/x
  3. Step 3: Cross multiply
    793,713.39x = 1,095,344.87 × 431,158
  4. Step 4: Simplify right side
    793,713.39x = 472,266,703,459.46
  5. Step 5: Solve for x
    x = 472,266,703,459.46/793,713.39
  6. Step 6: Final answer
    x = 595,009.12

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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.