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Finding the Fourth Proportional to 613,887.84, 846,759.60 and 384,046.32

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Solution

The fourth proportional to 613,887.84, 846,759.60 and 384,046.32 is: 529,730.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,887.84 : 846,759.60 = 384,046.32 : x
  2. Step 2: Convert to fraction form
    613,887.84/846,759.60 = 384,046.32/x
  3. Step 3: Cross multiply
    613,887.84x = 846,759.60 × 384,046.32
  4. Step 4: Simplify right side
    613,887.84x = 325,194,908,304.67
  5. Step 5: Solve for x
    x = 325,194,908,304.67/613,887.84
  6. Step 6: Final answer
    x = 529,730.17

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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.