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Finding the Fourth Proportional to 613,125.83, 846,101.13 and 383,809.58

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Solution

The fourth proportional to 613,125.83, 846,101.13 and 383,809.58 is: 529,649.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,125.83 : 846,101.13 = 383,809.58 : x
  2. Step 2: Convert to fraction form
    613,125.83/846,101.13 = 383,809.58/x
  3. Step 3: Cross multiply
    613,125.83x = 846,101.13 × 383,809.58
  4. Step 4: Simplify right side
    613,125.83x = 324,741,716,845.91
  5. Step 5: Solve for x
    x = 324,741,716,845.91/613,125.83
  6. Step 6: Final answer
    x = 529,649.38

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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.