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Finding the Fourth Proportional to 673,752.96, 929,754.72 and 371,940.48

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Solution

The fourth proportional to 673,752.96, 929,754.72 and 371,940.48 is: 513,264.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,752.96 : 929,754.72 = 371,940.48 : x
  2. Step 2: Convert to fraction form
    673,752.96/929,754.72 = 371,940.48/x
  3. Step 3: Cross multiply
    673,752.96x = 929,754.72 × 371,940.48
  4. Step 4: Simplify right side
    673,752.96x = 345,813,416,839.07
  5. Step 5: Solve for x
    x = 345,813,416,839.07/673,752.96
  6. Step 6: Final answer
    x = 513,264.41

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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.