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Finding the Fourth Proportional to 510,696.60, 766,117.80 and 173,752.80

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Solution

The fourth proportional to 510,696.60, 766,117.80 and 173,752.80 is: 260,654.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,696.60 : 766,117.80 = 173,752.80 : x
  2. Step 2: Convert to fraction form
    510,696.60/766,117.80 = 173,752.80/x
  3. Step 3: Cross multiply
    510,696.60x = 766,117.80 × 173,752.80
  4. Step 4: Simplify right side
    510,696.60x = 133,115,112,879.84
  5. Step 5: Solve for x
    x = 133,115,112,879.84/510,696.60
  6. Step 6: Final answer
    x = 260,654.00

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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.