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Finding the Fourth Proportional to 437,235.60, 656,160.60 and 188,096.40

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Solution

The fourth proportional to 437,235.60, 656,160.60 and 188,096.40 is: 282,276.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,235.60 : 656,160.60 = 188,096.40 : x
  2. Step 2: Convert to fraction form
    437,235.60/656,160.60 = 188,096.40/x
  3. Step 3: Cross multiply
    437,235.60x = 656,160.60 × 188,096.40
  4. Step 4: Simplify right side
    437,235.60x = 123,421,446,681.84
  5. Step 5: Solve for x
    x = 123,421,446,681.84/437,235.60
  6. Step 6: Final answer
    x = 282,276.76

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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.