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Finding the Fourth Proportional to 567,068.80, 850,603.20 and 212,009.35

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Solution

The fourth proportional to 567,068.80, 850,603.20 and 212,009.35 is: 318,014.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,068.80 : 850,603.20 = 212,009.35 : x
  2. Step 2: Convert to fraction form
    567,068.80/850,603.20 = 212,009.35/x
  3. Step 3: Cross multiply
    567,068.80x = 850,603.20 × 212,009.35
  4. Step 4: Simplify right side
    567,068.80x = 180,335,831,539.92
  5. Step 5: Solve for x
    x = 180,335,831,539.92/567,068.80
  6. Step 6: Final answer
    x = 318,014.03

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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.