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Finding the Fourth Proportional to 706,677.60, 1,059,627.60 and 307,250.40

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Solution

The fourth proportional to 706,677.60, 1,059,627.60 and 307,250.40 is: 460,706.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,677.60 : 1,059,627.60 = 307,250.40 : x
  2. Step 2: Convert to fraction form
    706,677.60/1,059,627.60 = 307,250.40/x
  3. Step 3: Cross multiply
    706,677.60x = 1,059,627.60 × 307,250.40
  4. Step 4: Simplify right side
    706,677.60x = 325,571,003,951.04
  5. Step 5: Solve for x
    x = 325,571,003,951.04/706,677.60
  6. Step 6: Final answer
    x = 460,706.56

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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.