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Finding the Fourth Proportional to 573,885.60, 860,860.80 and 174,539.40

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Solution

The fourth proportional to 573,885.60, 860,860.80 and 174,539.40 is: 261,818.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,885.60 : 860,860.80 = 174,539.40 : x
  2. Step 2: Convert to fraction form
    573,885.60/860,860.80 = 174,539.40/x
  3. Step 3: Cross multiply
    573,885.60x = 860,860.80 × 174,539.40
  4. Step 4: Simplify right side
    573,885.60x = 150,254,127,515.52
  5. Step 5: Solve for x
    x = 150,254,127,515.52/573,885.60
  6. Step 6: Final answer
    x = 261,818.95

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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.