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Finding the Fourth Proportional to 789,893, 1,090,053.06 and 432,197

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Solution

The fourth proportional to 789,893, 1,090,053.06 and 432,197 is: 596,432.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,893 : 1,090,053.06 = 432,197 : x
  2. Step 2: Convert to fraction form
    789,893/1,090,053.06 = 432,197/x
  3. Step 3: Cross multiply
    789,893x = 1,090,053.06 × 432,197
  4. Step 4: Simplify right side
    789,893x = 471,117,662,372.82
  5. Step 5: Solve for x
    x = 471,117,662,372.82/789,893
  6. Step 6: Final answer
    x = 596,432.25

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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.