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Finding the Fourth Proportional to 592,647.96, 889,218.04 and 379,656

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Solution

The fourth proportional to 592,647.96, 889,218.04 and 379,656 is: 569,641.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,647.96 : 889,218.04 = 379,656 : x
  2. Step 2: Convert to fraction form
    592,647.96/889,218.04 = 379,656/x
  3. Step 3: Cross multiply
    592,647.96x = 889,218.04 × 379,656
  4. Step 4: Simplify right side
    592,647.96x = 337,596,964,194.24
  5. Step 5: Solve for x
    x = 337,596,964,194.24/592,647.96
  6. Step 6: Final answer
    x = 569,641.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.