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Finding the Fourth Proportional to 713,850.64, 985,111.12 and 441,864.32

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Solution

The fourth proportional to 713,850.64, 985,111.12 and 441,864.32 is: 609,771.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,850.64 : 985,111.12 = 441,864.32 : x
  2. Step 2: Convert to fraction form
    713,850.64/985,111.12 = 441,864.32/x
  3. Step 3: Cross multiply
    713,850.64x = 985,111.12 × 441,864.32
  4. Step 4: Simplify right side
    713,850.64x = 435,285,455,163.24
  5. Step 5: Solve for x
    x = 435,285,455,163.24/713,850.64
  6. Step 6: Final answer
    x = 609,771.05

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Double scale
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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.