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Finding the Fourth Proportional to 534,170.70, 737,655.12 and 343,515.06

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Solution

The fourth proportional to 534,170.70, 737,655.12 and 343,515.06 is: 474,372.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,170.70 : 737,655.12 = 343,515.06 : x
  2. Step 2: Convert to fraction form
    534,170.70/737,655.12 = 343,515.06/x
  3. Step 3: Cross multiply
    534,170.70x = 737,655.12 × 343,515.06
  4. Step 4: Simplify right side
    534,170.70x = 253,395,642,806.11
  5. Step 5: Solve for x
    x = 253,395,642,806.11/534,170.70
  6. Step 6: Final answer
    x = 474,372.04

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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.