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Finding the Fourth Proportional to 302,447.73, 453,366.63 and 190,208.16

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Solution

The fourth proportional to 302,447.73, 453,366.63 and 190,208.16 is: 285,120.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,447.73 : 453,366.63 = 190,208.16 : x
  2. Step 2: Convert to fraction form
    302,447.73/453,366.63 = 190,208.16/x
  3. Step 3: Cross multiply
    302,447.73x = 453,366.63 × 190,208.16
  4. Step 4: Simplify right side
    302,447.73x = 86,234,032,497.70
  5. Step 5: Solve for x
    x = 86,234,032,497.70/302,447.73
  6. Step 6: Final answer
    x = 285,120.45

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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.