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Finding the Fourth Proportional to 592,970.60, 818,289.54 and 321,036.28

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Solution

The fourth proportional to 592,970.60, 818,289.54 and 321,036.28 is: 443,024.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,970.60 : 818,289.54 = 321,036.28 : x
  2. Step 2: Convert to fraction form
    592,970.60/818,289.54 = 321,036.28/x
  3. Step 3: Cross multiply
    592,970.60x = 818,289.54 × 321,036.28
  4. Step 4: Simplify right side
    592,970.60x = 262,700,629,884.51
  5. Step 5: Solve for x
    x = 262,700,629,884.51/592,970.60
  6. Step 6: Final answer
    x = 443,024.71

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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.