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Finding the Fourth Proportional to 617,827.20, 927,259.20 and 302,553.60

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Solution

The fourth proportional to 617,827.20, 927,259.20 and 302,553.60 is: 454,084.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,827.20 : 927,259.20 = 302,553.60 : x
  2. Step 2: Convert to fraction form
    617,827.20/927,259.20 = 302,553.60/x
  3. Step 3: Cross multiply
    617,827.20x = 927,259.20 × 302,553.60
  4. Step 4: Simplify right side
    617,827.20x = 280,545,609,093.12
  5. Step 5: Solve for x
    x = 280,545,609,093.12/617,827.20
  6. Step 6: Final answer
    x = 454,084.26

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1.5x scale

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.