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Finding the Fourth Proportional to 437,828.60, 656,232.60 and 201,195.20

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Solution

The fourth proportional to 437,828.60, 656,232.60 and 201,195.20 is: 301,558.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,828.60 : 656,232.60 = 201,195.20 : x
  2. Step 2: Convert to fraction form
    437,828.60/656,232.60 = 201,195.20/x
  3. Step 3: Cross multiply
    437,828.60x = 656,232.60 × 201,195.20
  4. Step 4: Simplify right side
    437,828.60x = 132,030,849,203.52
  5. Step 5: Solve for x
    x = 132,030,849,203.52/437,828.60
  6. Step 6: Final answer
    x = 301,558.30

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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.