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Finding the Fourth Proportional to 592,093.40, 889,061.70 and 343,261.40

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Solution

The fourth proportional to 592,093.40, 889,061.70 and 343,261.40 is: 515,426.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,093.40 : 889,061.70 = 343,261.40 : x
  2. Step 2: Convert to fraction form
    592,093.40/889,061.70 = 343,261.40/x
  3. Step 3: Cross multiply
    592,093.40x = 889,061.70 × 343,261.40
  4. Step 4: Simplify right side
    592,093.40x = 305,180,563,828.38
  5. Step 5: Solve for x
    x = 305,180,563,828.38/592,093.40
  6. Step 6: Final answer
    x = 515,426.39

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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.