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Finding the Fourth Proportional to 577,185.40, 796,282.96 and 383,686.68

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Solution

The fourth proportional to 577,185.40, 796,282.96 and 383,686.68 is: 529,332.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,185.40 : 796,282.96 = 383,686.68 : x
  2. Step 2: Convert to fraction form
    577,185.40/796,282.96 = 383,686.68/x
  3. Step 3: Cross multiply
    577,185.40x = 796,282.96 × 383,686.68
  4. Step 4: Simplify right side
    577,185.40x = 305,523,165,262.97
  5. Step 5: Solve for x
    x = 305,523,165,262.97/577,185.40
  6. Step 6: Final answer
    x = 529,332.80

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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.