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Finding the Fourth Proportional to 554,890.70, 765,052.09 and 452,812.48

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Solution

The fourth proportional to 554,890.70, 765,052.09 and 452,812.48 is: 624,312.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,890.70 : 765,052.09 = 452,812.48 : x
  2. Step 2: Convert to fraction form
    554,890.70/765,052.09 = 452,812.48/x
  3. Step 3: Cross multiply
    554,890.70x = 765,052.09 × 452,812.48
  4. Step 4: Simplify right side
    554,890.70x = 346,425,131,157.42
  5. Step 5: Solve for x
    x = 346,425,131,157.42/554,890.70
  6. Step 6: Final answer
    x = 624,312.37

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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.