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Finding the Fourth Proportional to 449,302.62, 620,025.75 and 248,094.30

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Solution

The fourth proportional to 449,302.62, 620,025.75 and 248,094.30 is: 342,363.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,302.62 : 620,025.75 = 248,094.30 : x
  2. Step 2: Convert to fraction form
    449,302.62/620,025.75 = 248,094.30/x
  3. Step 3: Cross multiply
    449,302.62x = 620,025.75 × 248,094.30
  4. Step 4: Simplify right side
    449,302.62x = 153,824,854,428.23
  5. Step 5: Solve for x
    x = 153,824,854,428.23/449,302.62
  6. Step 6: Final answer
    x = 342,363.58

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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.