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Finding the Fourth Proportional to 531,987.80, 796,815.30 and 462,003.80

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Solution

The fourth proportional to 531,987.80, 796,815.30 and 462,003.80 is: 691,992.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,987.80 : 796,815.30 = 462,003.80 : x
  2. Step 2: Convert to fraction form
    531,987.80/796,815.30 = 462,003.80/x
  3. Step 3: Cross multiply
    531,987.80x = 796,815.30 × 462,003.80
  4. Step 4: Simplify right side
    531,987.80x = 368,131,696,498.14
  5. Step 5: Solve for x
    x = 368,131,696,498.14/531,987.80
  6. Step 6: Final answer
    x = 691,992.74

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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.