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Finding the Fourth Proportional to 447,671.04, 671,667 and 223,011.45

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Solution

The fourth proportional to 447,671.04, 671,667 and 223,011.45 is: 334,597.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,671.04 : 671,667 = 223,011.45 : x
  2. Step 2: Convert to fraction form
    447,671.04/671,667 = 223,011.45/x
  3. Step 3: Cross multiply
    447,671.04x = 671,667 × 223,011.45
  4. Step 4: Simplify right side
    447,671.04x = 149,789,431,587.15
  5. Step 5: Solve for x
    x = 149,789,431,587.15/447,671.04
  6. Step 6: Final answer
    x = 334,597.10

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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.