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Finding the Fourth Proportional to 449,506.24, 620,316.72 and 248,302.24

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Solution

The fourth proportional to 449,506.24, 620,316.72 and 248,302.24 is: 342,656.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,506.24 : 620,316.72 = 248,302.24 : x
  2. Step 2: Convert to fraction form
    449,506.24/620,316.72 = 248,302.24/x
  3. Step 3: Cross multiply
    449,506.24x = 620,316.72 × 248,302.24
  4. Step 4: Simplify right side
    449,506.24x = 154,026,031,085.45
  5. Step 5: Solve for x
    x = 154,026,031,085.45/449,506.24
  6. Step 6: Final answer
    x = 342,656.05

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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.