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Finding the Fourth Proportional to 362,609.76, 500,435.28 and 219,405.12

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Solution

The fourth proportional to 362,609.76, 500,435.28 and 219,405.12 is: 302,799.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,609.76 : 500,435.28 = 219,405.12 : x
  2. Step 2: Convert to fraction form
    362,609.76/500,435.28 = 219,405.12/x
  3. Step 3: Cross multiply
    362,609.76x = 500,435.28 × 219,405.12
  4. Step 4: Simplify right side
    362,609.76x = 109,798,062,660.63
  5. Step 5: Solve for x
    x = 109,798,062,660.63/362,609.76
  6. Step 6: Final answer
    x = 302,799.52

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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.