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Finding the Fourth Proportional to 270,798.75, 373,715.12 and 163,366.47

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Solution

The fourth proportional to 270,798.75, 373,715.12 and 163,366.47 is: 225,453.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,798.75 : 373,715.12 = 163,366.47 : x
  2. Step 2: Convert to fraction form
    270,798.75/373,715.12 = 163,366.47/x
  3. Step 3: Cross multiply
    270,798.75x = 373,715.12 × 163,366.47
  4. Step 4: Simplify right side
    270,798.75x = 61,052,519,123.19
  5. Step 5: Solve for x
    x = 61,052,519,123.19/270,798.75
  6. Step 6: Final answer
    x = 225,453.47

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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.