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Finding the Fourth Proportional to 572,813.10, 859,000.95 and 173,321.10

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Solution

The fourth proportional to 572,813.10, 859,000.95 and 173,321.10 is: 259,915.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,813.10 : 859,000.95 = 173,321.10 : x
  2. Step 2: Convert to fraction form
    572,813.10/859,000.95 = 173,321.10/x
  3. Step 3: Cross multiply
    572,813.10x = 859,000.95 × 173,321.10
  4. Step 4: Simplify right side
    572,813.10x = 148,882,989,555.05
  5. Step 5: Solve for x
    x = 148,882,989,555.05/572,813.10
  6. Step 6: Final answer
    x = 259,915.48

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Similar ratio
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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.