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Finding the Fourth Proportional to 613,398.76, 846,481.16 and 341,466.16

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Solution

The fourth proportional to 613,398.76, 846,481.16 and 341,466.16 is: 471,218.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,398.76 : 846,481.16 = 341,466.16 : x
  2. Step 2: Convert to fraction form
    613,398.76/846,481.16 = 341,466.16/x
  3. Step 3: Cross multiply
    613,398.76x = 846,481.16 × 341,466.16
  4. Step 4: Simplify right side
    613,398.76x = 289,044,671,217.55
  5. Step 5: Solve for x
    x = 289,044,671,217.55/613,398.76
  6. Step 6: Final answer
    x = 471,218.22

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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.