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Finding the Fourth Proportional to 573,346.80, 860,117.40 and 173,984.40

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Solution

The fourth proportional to 573,346.80, 860,117.40 and 173,984.40 is: 261,006.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,346.80 : 860,117.40 = 173,984.40 : x
  2. Step 2: Convert to fraction form
    573,346.80/860,117.40 = 173,984.40/x
  3. Step 3: Cross multiply
    573,346.80x = 860,117.40 × 173,984.40
  4. Step 4: Simplify right side
    573,346.80x = 149,647,009,768.56
  5. Step 5: Solve for x
    x = 149,647,009,768.56/573,346.80
  6. Step 6: Final answer
    x = 261,006.10

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1.5x scale

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.