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Finding the Fourth Proportional to 517,262.75, 713,715.57 and 302,361.23

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Solution

The fourth proportional to 517,262.75, 713,715.57 and 302,361.23 is: 417,195.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,262.75 : 713,715.57 = 302,361.23 : x
  2. Step 2: Convert to fraction form
    517,262.75/713,715.57 = 302,361.23/x
  3. Step 3: Cross multiply
    517,262.75x = 713,715.57 × 302,361.23
  4. Step 4: Simplify right side
    517,262.75x = 215,799,917,615.35
  5. Step 5: Solve for x
    x = 215,799,917,615.35/517,262.75
  6. Step 6: Final answer
    x = 417,195.94

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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.