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Finding the Fourth Proportional to 554,025.60, 831,081.60 and 238,492.80

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Solution

The fourth proportional to 554,025.60, 831,081.60 and 238,492.80 is: 357,757.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,025.60 : 831,081.60 = 238,492.80 : x
  2. Step 2: Convert to fraction form
    554,025.60/831,081.60 = 238,492.80/x
  3. Step 3: Cross multiply
    554,025.60x = 831,081.60 × 238,492.80
  4. Step 4: Simplify right side
    554,025.60x = 198,206,977,812.48
  5. Step 5: Solve for x
    x = 198,206,977,812.48/554,025.60
  6. Step 6: Final answer
    x = 357,757.80

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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.