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Finding the Fourth Proportional to 603,121.60, 904,682.40 and 576,549.55

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Solution

The fourth proportional to 603,121.60, 904,682.40 and 576,549.55 is: 864,824.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,121.60 : 904,682.40 = 576,549.55 : x
  2. Step 2: Convert to fraction form
    603,121.60/904,682.40 = 576,549.55/x
  3. Step 3: Cross multiply
    603,121.60x = 904,682.40 × 576,549.55
  4. Step 4: Simplify right side
    603,121.60x = 521,594,230,612.92
  5. Step 5: Solve for x
    x = 521,594,230,612.92/603,121.60
  6. Step 6: Final answer
    x = 864,824.33

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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.