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Finding the Fourth Proportional to 368,346.30, 552,195.45 and 249,632.70

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Solution

The fourth proportional to 368,346.30, 552,195.45 and 249,632.70 is: 374,229.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,346.30 : 552,195.45 = 249,632.70 : x
  2. Step 2: Convert to fraction form
    368,346.30/552,195.45 = 249,632.70/x
  3. Step 3: Cross multiply
    368,346.30x = 552,195.45 × 249,632.70
  4. Step 4: Simplify right side
    368,346.30x = 137,846,041,111.22
  5. Step 5: Solve for x
    x = 137,846,041,111.22/368,346.30
  6. Step 6: Final answer
    x = 374,229.47

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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.