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Finding the Fourth Proportional to 613,295.12, 846,340.80 and 341,358.68

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Solution

The fourth proportional to 613,295.12, 846,340.80 and 341,358.68 is: 471,071.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,295.12 : 846,340.80 = 341,358.68 : x
  2. Step 2: Convert to fraction form
    613,295.12/846,340.80 = 341,358.68/x
  3. Step 3: Cross multiply
    613,295.12x = 846,340.80 × 341,358.68
  4. Step 4: Simplify right side
    613,295.12x = 288,905,778,318.14
  5. Step 5: Solve for x
    x = 288,905,778,318.14/613,295.12
  6. Step 6: Final answer
    x = 471,071.38

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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.