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Finding the Fourth Proportional to 592,110.80, 887,971.80 and 218,085.20

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Solution

The fourth proportional to 592,110.80, 887,971.80 and 218,085.20 is: 327,056.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,110.80 : 887,971.80 = 218,085.20 : x
  2. Step 2: Convert to fraction form
    592,110.80/887,971.80 = 218,085.20/x
  3. Step 3: Cross multiply
    592,110.80x = 887,971.80 × 218,085.20
  4. Step 4: Simplify right side
    592,110.80x = 193,653,507,597.36
  5. Step 5: Solve for x
    x = 193,653,507,597.36/592,110.80
  6. Step 6: Final answer
    x = 327,056.20

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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.