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Finding the Fourth Proportional to 369,393.69, 554,121.97 and 116,606.55

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Solution

The fourth proportional to 369,393.69, 554,121.97 and 116,606.55 is: 174,919.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,393.69 : 554,121.97 = 116,606.55 : x
  2. Step 2: Convert to fraction form
    369,393.69/554,121.97 = 116,606.55/x
  3. Step 3: Cross multiply
    369,393.69x = 554,121.97 × 116,606.55
  4. Step 4: Simplify right side
    369,393.69x = 64,614,250,909.39
  5. Step 5: Solve for x
    x = 64,614,250,909.39/369,393.69
  6. Step 6: Final answer
    x = 174,919.75

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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.