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Finding the Fourth Proportional to 524,767.80, 788,901.30 and 447,785.40

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Solution

The fourth proportional to 524,767.80, 788,901.30 and 447,785.40 is: 673,171.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,767.80 : 788,901.30 = 447,785.40 : x
  2. Step 2: Convert to fraction form
    524,767.80/788,901.30 = 447,785.40/x
  3. Step 3: Cross multiply
    524,767.80x = 788,901.30 × 447,785.40
  4. Step 4: Simplify right side
    524,767.80x = 353,258,484,181.02
  5. Step 5: Solve for x
    x = 353,258,484,181.02/524,767.80
  6. Step 6: Final answer
    x = 673,171.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.