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Finding the Fourth Proportional to 592,186.40, 887,696.40 and 292,713.20

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Solution

The fourth proportional to 592,186.40, 887,696.40 and 292,713.20 is: 438,781.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,186.40 : 887,696.40 = 292,713.20 : x
  2. Step 2: Convert to fraction form
    592,186.40/887,696.40 = 292,713.20/x
  3. Step 3: Cross multiply
    592,186.40x = 887,696.40 × 292,713.20
  4. Step 4: Simplify right side
    592,186.40x = 259,840,453,872.48
  5. Step 5: Solve for x
    x = 259,840,453,872.48/592,186.40
  6. Step 6: Final answer
    x = 438,781.53

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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.