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Finding the Fourth Proportional to 452,269.41, 624,423.86 and 280,371.07

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Solution

The fourth proportional to 452,269.41, 624,423.86 and 280,371.07 is: 387,093.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,269.41 : 624,423.86 = 280,371.07 : x
  2. Step 2: Convert to fraction form
    452,269.41/624,423.86 = 280,371.07/x
  3. Step 3: Cross multiply
    452,269.41x = 624,423.86 × 280,371.07
  4. Step 4: Simplify right side
    452,269.41x = 175,070,385,761.73
  5. Step 5: Solve for x
    x = 175,070,385,761.73/452,269.41
  6. Step 6: Final answer
    x = 387,093.14

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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.