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Finding the Fourth Proportional to 510,948.88, 765,946.78 and 173,759.12

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Solution

The fourth proportional to 510,948.88, 765,946.78 and 173,759.12 is: 260,476.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,948.88 : 765,946.78 = 173,759.12 : x
  2. Step 2: Convert to fraction form
    510,948.88/765,946.78 = 173,759.12/x
  3. Step 3: Cross multiply
    510,948.88x = 765,946.78 × 173,759.12
  4. Step 4: Simplify right side
    510,948.88x = 133,090,238,459.63
  5. Step 5: Solve for x
    x = 133,090,238,459.63/510,948.88
  6. Step 6: Final answer
    x = 260,476.62

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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.