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Finding the Fourth Proportional to 550,593.23, 760,144.42 and 346,818.83

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Solution

The fourth proportional to 550,593.23, 760,144.42 and 346,818.83 is: 478,815.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,593.23 : 760,144.42 = 346,818.83 : x
  2. Step 2: Convert to fraction form
    550,593.23/760,144.42 = 346,818.83/x
  3. Step 3: Cross multiply
    550,593.23x = 760,144.42 × 346,818.83
  4. Step 4: Simplify right side
    550,593.23x = 263,632,394,857.89
  5. Step 5: Solve for x
    x = 263,632,394,857.89/550,593.23
  6. Step 6: Final answer
    x = 478,815.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.