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Finding the Fourth Proportional to 449,672.37, 620,547.93 and 248,468.37

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Solution

The fourth proportional to 449,672.37, 620,547.93 and 248,468.37 is: 342,886.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,672.37 : 620,547.93 = 248,468.37 : x
  2. Step 2: Convert to fraction form
    449,672.37/620,547.93 = 248,468.37/x
  3. Step 3: Cross multiply
    449,672.37x = 620,547.93 × 248,468.37
  4. Step 4: Simplify right side
    449,672.37x = 154,186,532,673.97
  5. Step 5: Solve for x
    x = 154,186,532,673.97/449,672.37
  6. Step 6: Final answer
    x = 342,886.38

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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.