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Finding the Fourth Proportional to 452,257.48, 624,122.58 and 261,287.56

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Solution

The fourth proportional to 452,257.48, 624,122.58 and 261,287.56 is: 360,581.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,257.48 : 624,122.58 = 261,287.56 : x
  2. Step 2: Convert to fraction form
    452,257.48/624,122.58 = 261,287.56/x
  3. Step 3: Cross multiply
    452,257.48x = 624,122.58 × 261,287.56
  4. Step 4: Simplify right side
    452,257.48x = 163,075,466,069.11
  5. Step 5: Solve for x
    x = 163,075,466,069.11/452,257.48
  6. Step 6: Final answer
    x = 360,581.03

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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.