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Finding the Fourth Proportional to 573,598.21, 860,776.34 and 270,079.18

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Solution

The fourth proportional to 573,598.21, 860,776.34 and 270,079.18 is: 405,297.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,598.21 : 860,776.34 = 270,079.18 : x
  2. Step 2: Convert to fraction form
    573,598.21/860,776.34 = 270,079.18/x
  3. Step 3: Cross multiply
    573,598.21x = 860,776.34 × 270,079.18
  4. Step 4: Simplify right side
    573,598.21x = 232,477,768,070.60
  5. Step 5: Solve for x
    x = 232,477,768,070.60/573,598.21
  6. Step 6: Final answer
    x = 405,297.23

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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.