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Finding the Fourth Proportional to 348,617.40, 523,271.70 and 171,324.60

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Solution

The fourth proportional to 348,617.40, 523,271.70 and 171,324.60 is: 257,156.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,617.40 : 523,271.70 = 171,324.60 : x
  2. Step 2: Convert to fraction form
    348,617.40/523,271.70 = 171,324.60/x
  3. Step 3: Cross multiply
    348,617.40x = 523,271.70 × 171,324.60
  4. Step 4: Simplify right side
    348,617.40x = 89,649,314,693.82
  5. Step 5: Solve for x
    x = 89,649,314,693.82/348,617.40
  6. Step 6: Final answer
    x = 257,156.74

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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.