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Finding the Fourth Proportional to 592,970.14, 818,292.78 and 321,030.82

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Solution

The fourth proportional to 592,970.14, 818,292.78 and 321,030.82 is: 443,019.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,970.14 : 818,292.78 = 321,030.82 : x
  2. Step 2: Convert to fraction form
    592,970.14/818,292.78 = 321,030.82/x
  3. Step 3: Cross multiply
    592,970.14x = 818,292.78 × 321,030.82
  4. Step 4: Simplify right side
    592,970.14x = 262,697,202,163.48
  5. Step 5: Solve for x
    x = 262,697,202,163.48/592,970.14
  6. Step 6: Final answer
    x = 443,019.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.