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Finding the Fourth Proportional to 592,809.13, 889,215.98 and 143,529.32

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Solution

The fourth proportional to 592,809.13, 889,215.98 and 143,529.32 is: 215,294.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,809.13 : 889,215.98 = 143,529.32 : x
  2. Step 2: Convert to fraction form
    592,809.13/889,215.98 = 143,529.32/x
  3. Step 3: Cross multiply
    592,809.13x = 889,215.98 × 143,529.32
  4. Step 4: Simplify right side
    592,809.13x = 127,628,561,446.09
  5. Step 5: Solve for x
    x = 127,628,561,446.09/592,809.13
  6. Step 6: Final answer
    x = 215,294.53

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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.