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Finding the Fourth Proportional to 434,721.50, 599,802.12 and 250,915.10

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Solution

The fourth proportional to 434,721.50, 599,802.12 and 250,915.10 is: 346,197.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,721.50 : 599,802.12 = 250,915.10 : x
  2. Step 2: Convert to fraction form
    434,721.50/599,802.12 = 250,915.10/x
  3. Step 3: Cross multiply
    434,721.50x = 599,802.12 × 250,915.10
  4. Step 4: Simplify right side
    434,721.50x = 150,499,408,920.01
  5. Step 5: Solve for x
    x = 150,499,408,920.01/434,721.50
  6. Step 6: Final answer
    x = 346,197.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.