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Finding the Fourth Proportional to 515,586, 773,379 and 183,175.12

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Solution

The fourth proportional to 515,586, 773,379 and 183,175.12 is: 274,762.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,586 : 773,379 = 183,175.12 : x
  2. Step 2: Convert to fraction form
    515,586/773,379 = 183,175.12/x
  3. Step 3: Cross multiply
    515,586x = 773,379 × 183,175.12
  4. Step 4: Simplify right side
    515,586x = 141,663,791,130.48
  5. Step 5: Solve for x
    x = 141,663,791,130.48/515,586
  6. Step 6: Final answer
    x = 274,762.68

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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.