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Finding the Fourth Proportional to 362,717.83, 500,548.71 and 199,378.09

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Solution

The fourth proportional to 362,717.83, 500,548.71 and 199,378.09 is: 275,140.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,717.83 : 500,548.71 = 199,378.09 : x
  2. Step 2: Convert to fraction form
    362,717.83/500,548.71 = 199,378.09/x
  3. Step 3: Cross multiply
    362,717.83x = 500,548.71 × 199,378.09
  4. Step 4: Simplify right side
    362,717.83x = 99,798,445,751.76
  5. Step 5: Solve for x
    x = 99,798,445,751.76/362,717.83
  6. Step 6: Final answer
    x = 275,140.72

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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.