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Finding the Fourth Proportional to 613,297.12, 846,343.56 and 341,360.68

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Solution

The fourth proportional to 613,297.12, 846,343.56 and 341,360.68 is: 471,074.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,297.12 : 846,343.56 = 341,360.68 : x
  2. Step 2: Convert to fraction form
    613,297.12/846,343.56 = 341,360.68/x
  3. Step 3: Cross multiply
    613,297.12x = 846,343.56 × 341,360.68
  4. Step 4: Simplify right side
    613,297.12x = 288,908,413,155.22
  5. Step 5: Solve for x
    x = 288,908,413,155.22/613,297.12
  6. Step 6: Final answer
    x = 471,074.14

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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.