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Finding the Fourth Proportional to 508,840.52, 763,348.75 and 171,883.62

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Solution

The fourth proportional to 508,840.52, 763,348.75 and 171,883.62 is: 257,855.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,840.52 : 763,348.75 = 171,883.62 : x
  2. Step 2: Convert to fraction form
    508,840.52/763,348.75 = 171,883.62/x
  3. Step 3: Cross multiply
    508,840.52x = 763,348.75 × 171,883.62
  4. Step 4: Simplify right side
    508,840.52x = 131,207,146,042.77
  5. Step 5: Solve for x
    x = 131,207,146,042.77/508,840.52
  6. Step 6: Final answer
    x = 257,855.15

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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.