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Finding the Fourth Proportional to 354,915.41, 532,457.85 and 118,260.14

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Solution

The fourth proportional to 354,915.41, 532,457.85 and 118,260.14 is: 177,418.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,915.41 : 532,457.85 = 118,260.14 : x
  2. Step 2: Convert to fraction form
    354,915.41/532,457.85 = 118,260.14/x
  3. Step 3: Cross multiply
    354,915.41x = 532,457.85 × 118,260.14
  4. Step 4: Simplify right side
    354,915.41x = 62,968,539,885.10
  5. Step 5: Solve for x
    x = 62,968,539,885.10/354,915.41
  6. Step 6: Final answer
    x = 177,418.44

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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.