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Finding the Fourth Proportional to 594,280.80, 819,687.60 and 367,999.20

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Solution

The fourth proportional to 594,280.80, 819,687.60 and 367,999.20 is: 507,578.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    594,280.80 : 819,687.60 = 367,999.20 : x
  2. Step 2: Convert to fraction form
    594,280.80/819,687.60 = 367,999.20/x
  3. Step 3: Cross multiply
    594,280.80x = 819,687.60 × 367,999.20
  4. Step 4: Simplify right side
    594,280.80x = 301,644,381,049.92
  5. Step 5: Solve for x
    x = 301,644,381,049.92/594,280.80
  6. Step 6: Final answer
    x = 507,578.88

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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.