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Finding the Fourth Proportional to 592,374.80, 889,218.30 and 367,988.60

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Solution

The fourth proportional to 592,374.80, 889,218.30 and 367,988.60 is: 552,390.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,374.80 : 889,218.30 = 367,988.60 : x
  2. Step 2: Convert to fraction form
    592,374.80/889,218.30 = 367,988.60/x
  3. Step 3: Cross multiply
    592,374.80x = 889,218.30 × 367,988.60
  4. Step 4: Simplify right side
    592,374.80x = 327,222,197,311.38
  5. Step 5: Solve for x
    x = 327,222,197,311.38/592,374.80
  6. Step 6: Final answer
    x = 552,390.48

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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.