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Finding the Fourth Proportional to 375,988.42, 562,664.76 and 269,489.80

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Solution

The fourth proportional to 375,988.42, 562,664.76 and 269,489.80 is: 403,290.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,988.42 : 562,664.76 = 269,489.80 : x
  2. Step 2: Convert to fraction form
    375,988.42/562,664.76 = 269,489.80/x
  3. Step 3: Cross multiply
    375,988.42x = 562,664.76 × 269,489.80
  4. Step 4: Simplify right side
    375,988.42x = 151,632,413,639.45
  5. Step 5: Solve for x
    x = 151,632,413,639.45/375,988.42
  6. Step 6: Final answer
    x = 403,290.12

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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.