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Finding the Fourth Proportional to 547,580.72, 819,372.80 and 323,048.72

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Solution

The fourth proportional to 547,580.72, 819,372.80 and 323,048.72 is: 483,394.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,580.72 : 819,372.80 = 323,048.72 : x
  2. Step 2: Convert to fraction form
    547,580.72/819,372.80 = 323,048.72/x
  3. Step 3: Cross multiply
    547,580.72x = 819,372.80 × 323,048.72
  4. Step 4: Simplify right side
    547,580.72x = 264,697,328,530.71
  5. Step 5: Solve for x
    x = 264,697,328,530.71/547,580.72
  6. Step 6: Final answer
    x = 483,394.18

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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.