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Finding the Fourth Proportional to 448,038.54, 672,824.88 and 299,235.06

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Solution

The fourth proportional to 448,038.54, 672,824.88 and 299,235.06 is: 449,364.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,038.54 : 672,824.88 = 299,235.06 : x
  2. Step 2: Convert to fraction form
    448,038.54/672,824.88 = 299,235.06/x
  3. Step 3: Cross multiply
    448,038.54x = 672,824.88 × 299,235.06
  4. Step 4: Simplify right side
    448,038.54x = 201,332,793,336.29
  5. Step 5: Solve for x
    x = 201,332,793,336.29/448,038.54
  6. Step 6: Final answer
    x = 449,364.90

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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.