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Finding the Fourth Proportional to 627,693.48, 866,222.64 and 341,214.12

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Solution

The fourth proportional to 627,693.48, 866,222.64 and 341,214.12 is: 470,878.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,693.48 : 866,222.64 = 341,214.12 : x
  2. Step 2: Convert to fraction form
    627,693.48/866,222.64 = 341,214.12/x
  3. Step 3: Cross multiply
    627,693.48x = 866,222.64 × 341,214.12
  4. Step 4: Simplify right side
    627,693.48x = 295,567,395,831.68
  5. Step 5: Solve for x
    x = 295,567,395,831.68/627,693.48
  6. Step 6: Final answer
    x = 470,878.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.