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Finding the Fourth Proportional to 510,467.64, 765,673.50 and 155,451.93

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Solution

The fourth proportional to 510,467.64, 765,673.50 and 155,451.93 is: 233,169.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,467.64 : 765,673.50 = 155,451.93 : x
  2. Step 2: Convert to fraction form
    510,467.64/765,673.50 = 155,451.93/x
  3. Step 3: Cross multiply
    510,467.64x = 765,673.50 × 155,451.93
  4. Step 4: Simplify right side
    510,467.64x = 119,025,423,324.86
  5. Step 5: Solve for x
    x = 119,025,423,324.86/510,467.64
  6. Step 6: Final answer
    x = 233,169.38

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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.