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Finding the Fourth Proportional to 573,340.49, 860,015.91 and 173,981.25

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Solution

The fourth proportional to 573,340.49, 860,015.91 and 173,981.25 is: 260,973.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,340.49 : 860,015.91 = 173,981.25 : x
  2. Step 2: Convert to fraction form
    573,340.49/860,015.91 = 173,981.25/x
  3. Step 3: Cross multiply
    573,340.49x = 860,015.91 × 173,981.25
  4. Step 4: Simplify right side
    573,340.49x = 149,626,643,041.69
  5. Step 5: Solve for x
    x = 149,626,643,041.69/573,340.49
  6. Step 6: Final answer
    x = 260,973.45

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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.