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Finding the Fourth Proportional to 452,348.54, 624,196.81 and 261,357.83

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Solution

The fourth proportional to 452,348.54, 624,196.81 and 261,357.83 is: 360,648.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,348.54 : 624,196.81 = 261,357.83 : x
  2. Step 2: Convert to fraction form
    452,348.54/624,196.81 = 261,357.83/x
  3. Step 3: Cross multiply
    452,348.54x = 624,196.81 × 261,357.83
  4. Step 4: Simplify right side
    452,348.54x = 163,138,724,661.62
  5. Step 5: Solve for x
    x = 163,138,724,661.62/452,348.54
  6. Step 6: Final answer
    x = 360,648.28

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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.