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Finding the Fourth Proportional to 970,441.60, 1,455,662.40 and 706,057.60

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Solution

The fourth proportional to 970,441.60, 1,455,662.40 and 706,057.60 is: 1,059,086.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,441.60 : 1,455,662.40 = 706,057.60 : x
  2. Step 2: Convert to fraction form
    970,441.60/1,455,662.40 = 706,057.60/x
  3. Step 3: Cross multiply
    970,441.60x = 1,455,662.40 × 706,057.60
  4. Step 4: Simplify right side
    970,441.60x = 1,027,781,500,554.24
  5. Step 5: Solve for x
    x = 1,027,781,500,554.24/970,441.60
  6. Step 6: Final answer
    x = 1,059,086.40

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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.