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Finding the Fourth Proportional to 348,851.80, 523,277.70 and 345,352.60

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Solution

The fourth proportional to 348,851.80, 523,277.70 and 345,352.60 is: 518,028.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,851.80 : 523,277.70 = 345,352.60 : x
  2. Step 2: Convert to fraction form
    348,851.80/523,277.70 = 345,352.60/x
  3. Step 3: Cross multiply
    348,851.80x = 523,277.70 × 345,352.60
  4. Step 4: Simplify right side
    348,851.80x = 180,715,314,217.02
  5. Step 5: Solve for x
    x = 180,715,314,217.02/348,851.80
  6. Step 6: Final answer
    x = 518,028.90

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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.