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Finding the Fourth Proportional to 452,662.16, 624,671.28 and 245,928.80

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Solution

The fourth proportional to 452,662.16, 624,671.28 and 245,928.80 is: 339,380.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,662.16 : 624,671.28 = 245,928.80 : x
  2. Step 2: Convert to fraction form
    452,662.16/624,671.28 = 245,928.80/x
  3. Step 3: Cross multiply
    452,662.16x = 624,671.28 × 245,928.80
  4. Step 4: Simplify right side
    452,662.16x = 153,624,658,284.86
  5. Step 5: Solve for x
    x = 153,624,658,284.86/452,662.16
  6. Step 6: Final answer
    x = 339,380.39

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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.