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Finding the Fourth Proportional to 357,059.64, 492,742.08 and 195,915.72

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Solution

The fourth proportional to 357,059.64, 492,742.08 and 195,915.72 is: 270,363.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,059.64 : 492,742.08 = 195,915.72 : x
  2. Step 2: Convert to fraction form
    357,059.64/492,742.08 = 195,915.72/x
  3. Step 3: Cross multiply
    357,059.64x = 492,742.08 × 195,915.72
  4. Step 4: Simplify right side
    357,059.64x = 96,535,919,377.50
  5. Step 5: Solve for x
    x = 96,535,919,377.50/357,059.64
  6. Step 6: Final answer
    x = 270,363.57

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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.