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Finding the Fourth Proportional to 592,870.60, 889,421.10 and 255,910.60

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Solution

The fourth proportional to 592,870.60, 889,421.10 and 255,910.60 is: 383,915.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,870.60 : 889,421.10 = 255,910.60 : x
  2. Step 2: Convert to fraction form
    592,870.60/889,421.10 = 255,910.60/x
  3. Step 3: Cross multiply
    592,870.60x = 889,421.10 × 255,910.60
  4. Step 4: Simplify right side
    592,870.60x = 227,612,287,353.66
  5. Step 5: Solve for x
    x = 227,612,287,353.66/592,870.60
  6. Step 6: Final answer
    x = 383,915.63

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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.