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Finding the Fourth Proportional to 471,059.80, 706,892.10 and 260,848.60

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Solution

The fourth proportional to 471,059.80, 706,892.10 and 260,848.60 is: 391,440.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,059.80 : 706,892.10 = 260,848.60 : x
  2. Step 2: Convert to fraction form
    471,059.80/706,892.10 = 260,848.60/x
  3. Step 3: Cross multiply
    471,059.80x = 706,892.10 × 260,848.60
  4. Step 4: Simplify right side
    471,059.80x = 184,391,814,636.06
  5. Step 5: Solve for x
    x = 184,391,814,636.06/471,059.80
  6. Step 6: Final answer
    x = 391,440.35

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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.