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Finding the Fourth Proportional to 437,389.56, 656,284.24 and 197,567.58

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Solution

The fourth proportional to 437,389.56, 656,284.24 and 197,567.58 is: 296,441.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,389.56 : 656,284.24 = 197,567.58 : x
  2. Step 2: Convert to fraction form
    437,389.56/656,284.24 = 197,567.58/x
  3. Step 3: Cross multiply
    437,389.56x = 656,284.24 × 197,567.58
  4. Step 4: Simplify right side
    437,389.56x = 129,660,489,088.94
  5. Step 5: Solve for x
    x = 129,660,489,088.94/437,389.56
  6. Step 6: Final answer
    x = 296,441.66

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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.