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Finding the Fourth Proportional to 446,374.71, 669,567.53 and 130,837.98

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Solution

The fourth proportional to 446,374.71, 669,567.53 and 130,837.98 is: 196,258.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,374.71 : 669,567.53 = 130,837.98 : x
  2. Step 2: Convert to fraction form
    446,374.71/669,567.53 = 130,837.98/x
  3. Step 3: Cross multiply
    446,374.71x = 669,567.53 × 130,837.98
  4. Step 4: Simplify right side
    446,374.71x = 87,604,862,444.60
  5. Step 5: Solve for x
    x = 87,604,862,444.60/446,374.71
  6. Step 6: Final answer
    x = 196,258.57

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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.