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Finding the Fourth Proportional to 452,267.94, 624,421.83 and 280,369.60

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Solution

The fourth proportional to 452,267.94, 624,421.83 and 280,369.60 is: 387,091.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,267.94 : 624,421.83 = 280,369.60 : x
  2. Step 2: Convert to fraction form
    452,267.94/624,421.83 = 280,369.60/x
  3. Step 3: Cross multiply
    452,267.94x = 624,421.83 × 280,369.60
  4. Step 4: Simplify right side
    452,267.94x = 175,068,900,540.28
  5. Step 5: Solve for x
    x = 175,068,900,540.28/452,267.94
  6. Step 6: Final answer
    x = 387,091.12

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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.