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Finding the Fourth Proportional to 382,497.35, 573,221.14 and 242,004.47

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Solution

The fourth proportional to 382,497.35, 573,221.14 and 242,004.47 is: 362,674.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,497.35 : 573,221.14 = 242,004.47 : x
  2. Step 2: Convert to fraction form
    382,497.35/573,221.14 = 242,004.47/x
  3. Step 3: Cross multiply
    382,497.35x = 573,221.14 × 242,004.47
  4. Step 4: Simplify right side
    382,497.35x = 138,722,074,707.38
  5. Step 5: Solve for x
    x = 138,722,074,707.38/382,497.35
  6. Step 6: Final answer
    x = 362,674.61

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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.