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Finding the Fourth Proportional to 382,549.76, 573,613.98 and 157,859.12

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Solution

The fourth proportional to 382,549.76, 573,613.98 and 157,859.12 is: 236,701.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,549.76 : 573,613.98 = 157,859.12 : x
  2. Step 2: Convert to fraction form
    382,549.76/573,613.98 = 157,859.12/x
  3. Step 3: Cross multiply
    382,549.76x = 573,613.98 × 157,859.12
  4. Step 4: Simplify right side
    382,549.76x = 90,550,198,102.50
  5. Step 5: Solve for x
    x = 90,550,198,102.50/382,549.76
  6. Step 6: Final answer
    x = 236,701.75

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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.