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Finding the Fourth Proportional to 510,644.81, 765,745.65 and 173,594.93

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Solution

The fourth proportional to 510,644.81, 765,745.65 and 173,594.93 is: 260,317.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,644.81 : 765,745.65 = 173,594.93 : x
  2. Step 2: Convert to fraction form
    510,644.81/765,745.65 = 173,594.93/x
  3. Step 3: Cross multiply
    510,644.81x = 765,745.65 × 173,594.93
  4. Step 4: Simplify right side
    510,644.81x = 132,929,558,680.83
  5. Step 5: Solve for x
    x = 132,929,558,680.83/510,644.81
  6. Step 6: Final answer
    x = 260,317.06

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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.