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Finding the Fourth Proportional to 592,957.85, 818,281.33 and 321,028.09

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Solution

The fourth proportional to 592,957.85, 818,281.33 and 321,028.09 is: 443,018.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,957.85 : 818,281.33 = 321,028.09 : x
  2. Step 2: Convert to fraction form
    592,957.85/818,281.33 = 321,028.09/x
  3. Step 3: Cross multiply
    592,957.85x = 818,281.33 × 321,028.09
  4. Step 4: Simplify right side
    592,957.85x = 262,691,292,452.56
  5. Step 5: Solve for x
    x = 262,691,292,452.56/592,957.85
  6. Step 6: Final answer
    x = 443,018.49

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1.5x scale

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.