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Finding the Fourth Proportional to 362,427.40, 500,153.22 and 211,495.24

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Solution

The fourth proportional to 362,427.40, 500,153.22 and 211,495.24 is: 291,865.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,427.40 : 500,153.22 = 211,495.24 : x
  2. Step 2: Convert to fraction form
    362,427.40/500,153.22 = 211,495.24/x
  3. Step 3: Cross multiply
    362,427.40x = 500,153.22 × 211,495.24
  4. Step 4: Simplify right side
    362,427.40x = 105,780,025,300.67
  5. Step 5: Solve for x
    x = 105,780,025,300.67/362,427.40
  6. Step 6: Final answer
    x = 291,865.42

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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.