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Finding the Fourth Proportional to 452,354.49, 624,205.01 and 261,363.78

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Solution

The fourth proportional to 452,354.49, 624,205.01 and 261,363.78 is: 360,656.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,354.49 : 624,205.01 = 261,363.78 : x
  2. Step 2: Convert to fraction form
    452,354.49/624,205.01 = 261,363.78/x
  3. Step 3: Cross multiply
    452,354.49x = 624,205.01 × 261,363.78
  4. Step 4: Simplify right side
    452,354.49x = 163,144,578,694.62
  5. Step 5: Solve for x
    x = 163,144,578,694.62/452,354.49
  6. Step 6: Final answer
    x = 360,656.48

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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.