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Finding the Fourth Proportional to 449,499.24, 620,307.06 and 248,295.24

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Solution

The fourth proportional to 449,499.24, 620,307.06 and 248,295.24 is: 342,646.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,499.24 : 620,307.06 = 248,295.24 : x
  2. Step 2: Convert to fraction form
    449,499.24/620,307.06 = 248,295.24/x
  3. Step 3: Cross multiply
    449,499.24x = 620,307.06 × 248,295.24
  4. Step 4: Simplify right side
    449,499.24x = 154,019,290,336.39
  5. Step 5: Solve for x
    x = 154,019,290,336.39/449,499.24
  6. Step 6: Final answer
    x = 342,646.39

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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.