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Finding the Fourth Proportional to 833,952.83, 1,250,455.21 and 328,239.65

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Solution

The fourth proportional to 833,952.83, 1,250,455.21 and 328,239.65 is: 492,172.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    833,952.83 : 1,250,455.21 = 328,239.65 : x
  2. Step 2: Convert to fraction form
    833,952.83/1,250,455.21 = 328,239.65/x
  3. Step 3: Cross multiply
    833,952.83x = 1,250,455.21 × 328,239.65
  4. Step 4: Simplify right side
    833,952.83x = 410,448,982,776.62
  5. Step 5: Solve for x
    x = 410,448,982,776.62/833,952.83
  6. Step 6: Final answer
    x = 492,172.90

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1.5x scale

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.