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Finding the Fourth Proportional to 592,980.60, 818,303.40 and 321,046.32

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Solution

The fourth proportional to 592,980.60, 818,303.40 and 321,046.32 is: 443,038.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,980.60 : 818,303.40 = 321,046.32 : x
  2. Step 2: Convert to fraction form
    592,980.60/818,303.40 = 321,046.32/x
  3. Step 3: Cross multiply
    592,980.60x = 818,303.40 × 321,046.32
  4. Step 4: Simplify right side
    592,980.60x = 262,713,295,213.49
  5. Step 5: Solve for x
    x = 262,713,295,213.49/592,980.60
  6. Step 6: Final answer
    x = 443,038.60

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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.